Savory Ground Beef and Bell Pepper Stir Fry Over Steamed Rice

Ingredients:

1 lb ground beef

1 tbsp sesame oil (or vegetable oil)

1 red bell pepper, sliced

1 green bell pepper, sliced

1 small jalapeño, finely chopped (optional, for heat)

2 cloves garlic, minced

1 small onion, diced

1/4 cup low-sodium soy sauce