Ingredients: 1 tablespoon olive oil 1 lb. ground beef 1 cup diced onion 1 medium green bell pepper, seeded and diced 2 large cloves garlic, minced or pressed (about 2 teaspoons) 2 cups beef broth 1 cup water 1 cup uncooked elbow macaroni 1 (14.5 ounce) can petite diced tomatoes, not dra…