Double-Mushroom Cheeseburger
This vegetarian burger doubles down on umami with grilled and sauteed mushrooms (plus cheese!).
Recipe by Rochelle Palermo
Start to Finish: 30 minutes | Servings: Makes 4 cheeseburgers |
Ingredients
1 onion, sliced
8 oz. sliced cremini mushrooms
2 cloves garlic, chopped
4 tbsp. olive oil
4 portobello mushrooms, stemmed
1 cup grated Gruyère
4 hamburger buns, toasted
1/2 cup Dijonnaise
2 cups arugula
Preparation
In skillet, cook onion, cremini, and garlic in 2 tbsp. oil over medium-high, stirring often, until browned, about 15 minutes; season. Brush portobellos with remaining 2 tbsp. oil. In grill pan, cook portobellos, stemside down, over medium-high for 5 minutes. Turn; top with cremini mixture, then cheese. Cook until tender, about 5 minutes. Spread buns with Dijonnaise. Add arugula and portobellos.