🍲 Recipes

Mushroom Sliders

By Sarah Pryor • Beef Sandwiches • Cuisine?
4.00 Prep: 10m Cook: 15m
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
Created: Sep 23, 2025 Updated: Sep 23, 2025