Caramelized Onion Rings with Thyme
Golden, tender onion rings infused with fresh thyme and garlic, perfect as a side dish for any main course. This american-inspired vegetarian (vegetarian) ready in about 30 minutes pairs large, thinly sliced yellow onions, olive oil, minced garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 120 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 large, thinly sliced yellow onions
- 3 tbsp olive oil
- 2, minced garlic cloves
- 1 tsp dried thyme
- 1/4 tsp salt
- 1/8 tsp black pepper
- 1 tbsp butter
Instructions
- Step 1: Heat 2 tbsp olive oil in a large skillet over medium heat until shimmering. Add sliced onions and cook for 15-20 minutes, stirring occasionally, until deeply golden brown and caramelized — reduce heat to low if browning too quickly.
- Step 2: Add minced garlic, dried thyme, salt, and black pepper. Cook for 1 minute until garlic is fragrant.
- Step 3: Stir in butter until melted and incorporated. Remove from heat and serve warm.
Frequently asked questions
How long does Caramelized Onion Rings with Thyme take to make?
Total time is about 30 minutes (10 min prep + 20 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Caramelized Onion Rings with Thyme?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep olive oil from drying out.
Can I substitute ingredients in Caramelized Onion Rings with Thyme?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Caramelized Onion Rings with Thyme for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Caramelized Onion Rings with Thyme vegetarian?
Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
What others are saying
- ★★★★★
My family loved these onion rings as a side for burgers. The thyme was a nice touch, but I added a bit of sugar to enhance the caramelization.
- ★★★★★
These onion rings are a game-changer! Perfectly caramelized and the thyme adds a lovely herbaceous note. Served with a side of steak and they were amazing.
- ★★★★☆
Simple and tasty. My kids ate them up without complaining. A great vegetarian side.
Equipment for this recipe
Top-rated tools to make this recipe successfully.