Quick, bold pepper steak with tender beef, peppers, and a garlicky stir-fry sauce. Big takeout flavor, made at home in under 30 minutes.
2 tablespoons high-smoke-point oil (light olive oil, avocado oil, or ghee)
1 small onion, cut into chunky wedges
2 bell peppers (orange, yellow, red), deseeded and cut into chunky wedges
Salt and pepper, to taste
1 1/2 pounds top sirloin steak, thinly sliced against the grain
3/4 cup homemade or store-bought stir-fry sauce
Steamed rice, for serving