Pan-Seared Ribeye with French Onion Butter
A juicy ribeye steak pan-seared to perfection and topped with a rich butter infused with caramelized onions and Gruyère cheese. This french-inspired beef ready in about 45 minutes pairs ribeye steak, salt, black pepper for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 700 calories and feeds 1, 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
- 12 oz ribeye steak
- 1 tsp salt
- 1/2 tsp black pepper
- 4 tbsp unsalted butter
- 1 medium, thinly sliced yellow onion
- 1/4 cup shredded Gruyère cheese
- 1 tbsp olive oil
- 1 tsp chopped fresh thyme
Instructions
- Step 1: Pat 12 oz ribeye steak dry and season both sides with 1 tsp salt and 1/2 tsp black pepper; let rest at room temperature for 15 minutes.
- Step 2: Heat 1 tbsp olive oil in a heavy skillet over medium heat until shimmering, then add the steak and sear for 4 minutes on the first side without moving it until a deep crust forms.
- Step 3: Flip the steak and cook for an additional 3 minutes for medium-rare, spooning 2 tbsp unsalted butter over it along with 1 tsp chopped fresh thyme; remove steak and keep warm.
- Step 4: In the same skillet, add 2 tbsp unsalted butter and 1 medium thinly sliced yellow onion, cooking over low heat for 15 minutes until caramelized and golden brown, stirring occasionally.
- Step 5: Remove skillet from heat and stir 1/4 cup shredded Gruyère cheese into the onions until melted and combined.
- Step 6: Spoon the warm French onion butter over the rested steak and serve immediately.
Frequently asked questions
How long does Pan-Seared Ribeye with French Onion Butter take to make?
Total time is about 45 minutes (20 min prep + 25 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 Pan-Seared Ribeye with French Onion Butter?
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 ribeye steak from drying out.
Can I substitute ingredients in Pan-Seared Ribeye with French Onion Butter?
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 Pan-Seared Ribeye with French Onion Butter for a different number of people?
The recipe is written for 1 servings. Multiply each ingredient by (your serving target / 1). 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.
What goes well with Pan-Seared Ribeye with French Onion Butter?
French beef like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
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