Drain and cool under cold running water.
Heat oil in a large nonstick skillet over medium heat.
Add onion and garlic and cook, stirring occasionally, until softened, about 3 minutes.

Stuff the peppers with the mixture and place them in a 2-quart casserole dish.
Spoon the remaining 1/2 cup tomato sauce over the peppers.
Cover and bake until the peppers are tender and the filling is heated through, 30 to 35 minutes.
- Daily Values (DVs) are the recommended amounts of nutrients to consume each day.
(-) Information is not currently available for this nutrient.