Mushroom Sliders
- Category: Beef Sandwiches
- Author: Sarah Pryor
- Rating: 4.0
- Prep time: 10 min
- Cook time: 15 min
Ingredients
- 1 pound lean ground beef, or more to taste
- 1 large egg
- 1 small onion, finely chopped
- 1 cup finely chopped mushrooms
- 1 teaspoon ground black pepper
- ½ teaspoon garlic salt
- salt to taste
- 6 portobello mushrooms, or more to taste
- 1 green bell pepper, halved and seeded
- 1 red bell pepper, halved and seeded
- 1 yellow bell pepper, halved and seeded