Mushroom Sliders with Caramelized Onions
Yield: 8 people
Recipe Notes
You won’t need the sauce from the portobello mushrooms for these sliders but make it anyway. It makes a flavorful base for mushrooms soup.
Ingredients
- 1 recipe Grilled or Broiled Portobello Mushrooms
- 1 cup Caramelized Onions
- 1/2 cup mayonnaise
- 1 tablespoon whole-grain mustard
- 1/4 medium red onion, grated
- 8 slider rolls
Instructions
- Grill or broil portobello mushrooms and make Caramelized Onions. (Can be made a couple of days in advance.)
- Mix mayonnaise, mustard, and onion. (Can be covered and refrigerated a couple of days in advance.)
- When ready to serve, warm mushrooms, onions, and buns. Spread mayonnaise mixture on buns, top with mushrooms and onions and serve.