Roasted Herb Butter Onions: A Simple Yet Flavorful Recipe

Step-by-Step Instructions for Making Roasted Herb Butter Onions

Step 1: Preheat the Oven

1. Set the Oven Temperature: Preheat your oven to 400°F (200°C). Line a baking dish with parchment paper or lightly grease it to prevent sticking.

Step 2: Prepare the Onions

1. Peel and Slice the Onions: Peel the onions and trim the root ends slightly so they can sit flat. Slice each onion in half horizontally, exposing the layers, and place the flat side down on a cutting board.
2. Carve a Small Hole: With a knife or a spoon, carve out a small hole in the center of each onion half. This allows the butter and herbs to infuse deep into the onion, adding more flavor as they roast.

Step 3: Make the Herb Butter Mixture

1. Combine Butter and Oil: In a small bowl, mix the melted butter and olive oil. The combination of butter and oil helps prevent the butter from burning and adds a rich flavor.
2. Add Herbs and Seasoning: Add fresh thyme leaves (or rosemary, if preferred), salt, black pepper, and garlic powder (if using) to the butter mixture. Stir well to combine.

Step 4: Coat the Onions with Herb Butter

1. Brush the Onions: Place the onion halves cut-side up in the prepared baking dish. Generously brush each onion with the herb butter mixture, ensuring that the herbs and seasoning are evenly distributed.
2. Add Extra Sprigs of Herbs: If you like, add an extra sprig of thyme or rosemary on top of each onion for added aroma and presentation.

Step 5: Roast the Onions

1. Cover and Bake: Cover the baking dish with foil to help the onions soften without browning too quickly. Roast the onions in the preheated oven for 25–30 minutes.
2. Uncover and Continue Roasting: After 30 minutes, remove the foil and continue roasting for another 15–20 minutes, or until the onions are caramelized and tender, with a golden-brown top. The edges should look slightly crisp.

Step 6: Serve

1. Remove from the Oven: Take the onions out of the oven and let them cool slightly.
2. Garnish and Serve: Garnish with additional fresh thyme or rosemary if desired, and serve warm.

Tips for Perfect Roasted Herb Butter Onions

1. Choose the Right Onion Variety: Yellow or white onions work best for this recipe due to their natural sweetness, which intensifies during roasting.
2. Experiment with Herbs: Fresh thyme and rosemary add a classic flavor, but you can experiment with other herbs like sage or oregano for a different twist.
3. Add a Dash of Balsamic Vinegar: For a touch of tanginess, drizzle a bit of balsamic vinegar over the onions before the final 10 minutes of roasting.
4. Roasting Time: Roasting time may vary based on the size of your onions and your oven. Check for doneness by poking with a fork; the onions should be very tender.
5. Serving Suggestions: These roasted onions pair well with grilled meats, roasted vegetables, or can be served as a delicious topping on crusty bread.