Oven-roasted garlic confit is a flavourful and versatile ingredient that can be easily incorporated into your dishes, adding a touch of savoury goodness. This simple recipe allows you to create your own batch of oven-roasted garlic confit at home.
Beyond its delicious taste, oven-roasted garlic confit offers a surprising range of potential health benefits, although they may be less pronounced than those of raw garlic. Here’s a simple recipe:
Oven-roasted garlic confit recipe
Ingredients:
- 1 head of garlic, separated into cloves (approximately 10-12 cloves)
- ½ cup extra virgin olive oil
- 2-3 sprigs fresh rosemary or thyme (optional)
- ½ teaspoon dried red pepper flakes (optional)
- ½ teaspoon salt
- ¼ teaspoon freshly cracked black pepper
Instructions:
- Preheat your oven to 325°F (165°C).
- Peel the garlic cloves and separate them from the head.
- In a small baking dish, combine the garlic cloves, olive oil, herbs (if using), red pepper flakes (if using), salt, and black pepper.
- Gently toss to coat the garlic cloves in the oil and seasonings.
- Ensure the garlic cloves are at least 75% submerged in the oil. If not, add more oil or use a smaller dish to prevent uneven cooking.
- Cover the baking dish tightly with aluminium foil.
- Roast the garlic confit for 45 minutes to 1 hour, or until the cloves are soft and golden brown. You can test for doneness by gently squeezing a clove with your fingers. It should spread easily.
- Remove the baking dish from the oven and let the garlic confit cool completely in the oil at room temperature. This can take several hours.
- Once cool, transfer the garlic confit to an airtight container and store in the refrigerator for up to 2 weeks. The infused oil can be used for cooking or drizzled on salads and bread.
Tips:
- You can experiment with different herbs and spices to customise the flavour of your garlic confit. Some options include oregano, thyme, bay leaves, or a pinch of chili powder.
- For a richer flavour, roast the garlic confit at a slightly higher temperature (375°F/190°C) for 30-40 minutes. However, keep a close eye on it to prevent burning.
- Be sure to use high-quality olive oil for the best flavour and results.
Enjoy your homemade oven-roasted garlic confit!
The health benefits of oven-roasted garlic confit
Oven-roasted garlic confit is a delicious and versatile ingredient that can be used in many different dishes. However, it is important to note that the slow roasting process of making garlic confit can significantly reduce the amount of allicin, a compound in garlic that is thought to be responsible for many of its health benefits.
Here’s a quick rundown of the health benefits of garlic confit, although they may be less potent than those of raw garlic:
May help boost the immune system
Garlic’s potential to boost the immune system is a multifaceted concept, and while the roasting process in confit might diminish some specific elements, it can still contribute through various mechanisms:
Vitamin C and antioxidants
As mentioned, garlic is a good source of vitamin C and other antioxidants like allicin (though reduced in confit) and manganese. These antioxidants help combat free radicals in the body, which can damage cells and contribute to various health issues, including a weakened immune system. By neutralising these free radicals, garlic may indirectly support immune function.
Immune cell activity
Studies suggest that garlic compounds may stimulate the activity of immune cells like macrophages, natural killer cells, and lymphocytes. These cells play crucial roles in identifying and eliminating foreign invaders like bacteria and viruses. While the exact mechanisms are still being studied, garlic may enhance their function, potentially aiding the immune response.
Antimicrobial properties
Although allicin, the primary antibacterial compound in garlic, might be reduced in confit, other compounds like allicin derivatives and ajoene may still exhibit antimicrobial activity. These can potentially help fight off harmful bacteria and viruses, reducing the burden on the immune system.
It’s important to remember that research on the immune-boosting effects of garlic, including confit, is ongoing, and the exact mechanisms are complex and not fully understood. While confit might not offer the same level of potential benefit as raw garlic, it could still contribute to a healthy immune system as part of a balanced diet and healthy lifestyle

May help improve heart health
Garlic, even in its confit form, has been linked to potential improvements in heart health through several mechanisms, although the effects might be less pronounced compared to raw garlic:
1. Blood pressure reduction
Nitric oxide production
Garlic may increase the production of nitric oxide in the body. Nitric oxide helps relax blood vessels, leading to improved blood flow and potentially lower blood pressure. While allicin, a key contributor to this effect in raw garlic, might be reduced in confit, other compounds like ajoene may still play a role.
Angiotensin II inhibition
Some studies suggest garlic may inhibit the production of angiotensin II, a hormone that constricts blood vessels and raises blood pressure. While the extent of this in confit is unclear, it could contribute to a slight blood pressure-lowering effect.
2. Cholesterol management
LDL (“bad”) cholesterol reduction
Studies suggest garlic may modestly decrease LDL cholesterol levels, possibly by interfering with its absorption in the intestines. Although roasting might decrease this effect, some cholesterol-lowering properties might remain in confit.
HDL (“good”) cholesterol increase
Some studies suggest garlic may slightly increase HDL cholesterol levels, which helps remove LDL cholesterol from the body. While the effect in confit is uncertain, it could contribute to a more favourable cholesterol profile.
3. Anti-inflammatory properties
Chronic inflammation is a major risk factor for heart disease. Garlic’s anti-inflammatory properties, potentially due to various compounds including allicin (though reduced in confit), may help reduce inflammation in the blood vessels and arteries, potentially contributing to improved heart health.
It’s important to note that research on the heart health benefits of garlic, including confit, is ongoing, and the effects vary depending on factors like individual health, diet, and lifestyle. While confit might not offer the same degree of benefit as raw garlic, it could still contribute to a heart-healthy diet when consumed as part of a balanced approach.
It’s crucial to speak to a healthcare professional for personalised guidance on incorporating garlic, including confit, into your diet for optimal heart health.

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May have anti-inflammatory properties
Garlic, including oven-roasted garlic confit, possesses potential anti-inflammatory properties that might be beneficial for various health conditions. While the roasting process can impact the potency of some specific compounds, here’s a deeper look at how it might contribute:
Mechanisms of anti-inflammatory action
Inhibition of inflammatory enzymes
Garlic contains various compounds, including diallyl disulfide (present even in confit) and ajoene, that can inhibit enzymes involved in the inflammatory process. These enzymes, like cyclooxygenase (COX) and lipoxygenase (LOX), are responsible for producing inflammatory mediators like prostaglandins and leukotrienes. By inhibiting these enzymes, garlic may help reduce inflammation at the cellular level.
Modulation of immune cells
Garlic may modulate the activity of immune cells involved in inflammation. It may suppress the activity of pro-inflammatory cells like neutrophils and macrophages, while potentially enhancing the function of anti-inflammatory cells like regulatory T cells. This modulation can help dampen the overall inflammatory response.
Reduction of oxidative stress
Chronic inflammation is often linked to oxidative stress, an imbalance between free radicals and antioxidants in the body. Garlic’s antioxidant properties, including those potentially retained in confit, can help scavenge free radicals, reducing oxidative stress and its contribution to inflammation.
Potential benefits for various conditions
Arthritis
Garlic’s anti-inflammatory properties may offer pain relief and improve joint function in individuals with arthritis. However, research on the effectiveness of confit specifically for this purpose is limited.
Autoimmune diseases
In some autoimmune diseases like rheumatoid arthritis and lupus, the immune system mistakenly attacks healthy tissues. Garlic’s immunomodulatory effects (regulating the immune system) might potentially help manage inflammation associated with these conditions.
Cardiovascular disease
As mentioned earlier, chronic inflammation plays a role in the development of cardiovascular diseases. Garlic’s anti-inflammatory properties might contribute to reducing the risk factors associated with these conditions.
Important considerations:
- While research suggests potential anti-inflammatory benefits of garlic, the effectiveness and specific mechanisms are still under investigation.
- The impact of roasting on the anti-inflammatory properties of garlic can vary depending on the specific compounds involved and the roasting conditions.
- It’s crucial to remember that garlic confit shouldn’t be solely relied upon for managing inflammatory conditions. Consulting a healthcare professional for personalised guidance and treatment options is essential.
Overall, while oven-roasted garlic confit might not offer the same level of anti-inflammatory potential as raw garlic, it could still contribute to a holistic approach in managing inflammation, particularly when incorporated into a balanced diet and healthy lifestyle.
It is important to remember that garlic confit is still a healthy food, and it is a good source of vitamins, minerals, and antioxidants. However, if you are looking for the maximum health benefits of garlic, it is best to consume it raw or lightly cooked.
So next time you’re looking to elevate a dish or add a healthy boost, consider making a batch of oven-roasted garlic confit. It’s easy to prepare, stores well in the refrigerator, and can add a depth of flavour to everything from pasta dishes and mashed potatoes to roasted vegetables and crusty bread. With its versatility and potential health benefits, oven-roasted garlic confit is a valuable addition to any kitchen repertoire.
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