Delicious Quick Beef Stir-Fry with Sweet Onions: My Easy 25

Ingredients

• 1 pound beef sirloin, thinly sliced against the grain
• 2 medium sweet onions, thinly sliced
• 2 cups bell peppers, assorted colors, sliced
• 3 cloves garlic, minced
• 2 tablespoons vegetable oil
• 1/4 cup soy sauce (low-sodium preferred)
• 1 tablespoon oyster sauce (optional)
• 1 tablespoon brown sugar
• 1 teaspoon cornstarch
• 1/4 cup water
• 2 green onions (scallions), chopped
• Sesame seeds (optional)