Roasted Garlic & Herb Oil

Name: Roasted Garlic & Herb Oil
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Yield: 1 cup
Ingredients: 1 cup olive oil; 1 head of garlic; 2 sprigs of fresh rosemary; 2 sprigs of fresh thyme; 1 teaspoon of salt; 1/2 teaspoon of black pepper

Highlighted under: Basic Cooking | Easy Food

I absolutely love making Roasted Garlic & Herb Oil because it transforms simple dishes into gourmet delights. Using just a handful of ingredients, I can create a rich, flavorful oil that complements everything from crusty bread to roasted vegetables. The process of roasting garlic enhances its sweetness and mellows out the sharpness, while the herbs infuse a wonderful aroma. It’s a simple technique that adds a touch of elegance to everyday meals and is perfect for sharing with friends and family.

Created by

The Opheliaskitchen Team

Last updated on 2026-03-04T18:10:22.201Z

When I first tried making Roasted Garlic & Herb Oil, I was shocked at how easy and flavorful it turned out. The combination of roasted garlic and fresh herbs allows the oil to carry a depth of flavor that can elevate any dish. I always prefer to use high-quality olive oil, as it enhances the richness of the garlic and herbs, making the oil truly luxurious.

One of my favorite tips is to let the oil sit for at least a day before using it; this resting time allows the flavors to meld beautifully, creating an oil that’s bursting with zest. It’s a staple in my kitchen, perfect for drizzling on pizzas or as a dipping oil for fresh bread.

Why You Will Love This Recipe

Irresistible savory aroma that fills your kitchen
Versatile flavor enhancer for many dishes
A great way to preserve fresh herbs

Understanding the Ingredients

Each ingredient in Roasted Garlic & Herb Oil plays a critical role in achieving the final flavor profile. Olive oil not only serves as the base for this infusion; its rich and fruity notes complement the sweetness of roasted garlic beautifully. When selecting your olive oil, opt for a high-quality extra virgin variety for the best flavor. Meanwhile, fresh herbs like rosemary and thyme provide a fragrant contrast, elevating the element of taste. If fresh herbs aren't available, you can substitute with dried versions, but cut the amount in half since dried herbs are more potent.

Garlic's transformation during the roasting process is truly magical. While raw garlic has a sharp and pungent flavor that can overpower dishes, roasting mellows its bite, making it sweet and creamy. For the best results, keep an eye on your garlic in the oven; if it begins to brown too quickly, lower the temperature to ensure even cooking. This careful attention transforms the garlic into a rich, caramel-like addition to the oil.

Infusion Tips and Timing

The infusion process is crucial for developing the oil's flavor. After combining the roasted garlic and herbs with the olive oil, be sure to let it sit at room temperature for at least 24 hours. If you can, allow the oil to infuse for up to a week in the refrigerator for an even deeper flavor. Store the oil in an airtight container to preserve its qualities, and ensure you strain it after infusing to avoid any shelf-life issues with the garlic or herbs.

Storing your Roasted Garlic & Herb Oil properly can extend its shelf life significantly. I recommend using a dark glass bottle to minimize light exposure, which can create off-flavors. The oil should be used within a month if stored at room temperature. If your oil develops any off smells or has cloudiness after a few weeks, it’s best to dispose of it to maintain safety.

Ingredients

Ingredients for Roasted Garlic & Herb Oil

1 cup olive oil
1 head of garlic
2 sprigs of fresh rosemary
2 sprigs of fresh thyme
1 teaspoon of salt
1/2 teaspoon of black pepper

Make sure to check the freshness of your herbs for the best flavor.

Instructions

Roast the Garlic

Preheat your oven to 400°F (200°C). Slice the top off the head of garlic to expose the cloves. Drizzle with a little olive oil, wrap in aluminum foil, and roast in the oven for about 30 minutes, or until the cloves are golden and soft.

Combine Ingredients

In a small bowl, combine the roasted garlic cloves (squeezed out of their skins), olive oil, rosemary, thyme, salt, and pepper. Stir well to mix the ingredients.

Infuse the Oil

Pour the mixture into a clean, airtight jar or bottle. Seal tightly and let it sit at room temperature for at least 24 hours to allow the flavors to meld.

Store your infused oil in the refrigerator for longer shelf life, but make sure to bring it to room temperature before using.

Pro Tips

For an extra kick, consider adding red pepper flakes to the oil while infusing for a spicy variant.

Serving Suggestions

Roasted Garlic & Herb Oil is incredibly versatile and can be used in numerous ways. Drizzle it over grilled vegetables for a burst of flavor, or use it as a dipping oil for fresh crusty bread. It can also serve as an excellent base for salad dressings; just mix it with some balsamic vinegar for a delicious vinaigrette. For a gourmet touch, I like to use it to finish off pasta dishes, adding a lovely herbal aroma that enhances the overall dining experience.

Consider using this oil to elevate your appetizers. Brush it over crostini topped with cheese and fresh tomatoes, or use it to marinate chicken or fish before grilling. The rich flavors will infuse your proteins beautifully, making them succulent and full of taste. Experiment with it in your cooking, and you’ll discover countless ways to incorporate this delicious oil into your meals.

Variations and Additions

Feel free to customize your Roasted Garlic & Herb Oil by adding other herbs or spices that you enjoy. Basil, parsley, or even a pinch of red pepper flakes can enhance the flavor profile, making the oil uniquely yours. For a citrusy note, infuse your oil with zest from a lemon or orange during the infusion process. This twist can brighten dishes, providing a fresh contrast to the garlic's richness.

If you're looking to reduce the oil content for a lighter version, consider cutting the olive oil by a quarter and replacing it with vegetable broth. While this will alter the infusion slightly, it can create a flavorful oil that’s less calorie-dense, perfect for drizzling over salads or vegetables without overwhelming them. These variations allow you to tailor the taste to suit different dishes and dietary needs.

Questions About Recipes

→ How long does Roasted Garlic & Herb Oil last?

When stored properly in the refrigerator, it can last for up to 2 weeks.

→ Can I use different herbs?

Absolutely! Feel free to experiment with different herbs like basil or oregano for a unique flavor.

→ Is this oil suitable for cooking?

This oil is best used for drizzling or dipping rather than high-heat cooking, as it can lose its flavor.

→ Can I make a larger batch?

Yes, you can scale up the recipe easily, just ensure you have enough storage containers.