Entrée: United States – Mushroom Swiss Burger with Buttered Mushrooms

Food safety reminder: Follow safe food-handling practices and use a food thermometer to verify safe internal cooking temperatures.

Serving Size: 4

Approximate Time

Prep 10 min

Cook 15 min

Total 20 min

Ingredients

1 lb (450 g) ground beef (80 / 20)
Salt to taste
Freshly ground black pepper to taste
8 oz (225 g) cremini or button mushrooms, sliced
1 small onion, thinly sliced
3 tbsp (45 ml) unsalted butter, divided
4 slices Swiss cheese
4 hamburger buns

Instructions

1. Melt 1½ tbsp butter in a skillet over medium-high heat; add mushrooms and onions, season lightly, and sauté until soft and browned (8–10 minutes). Remove and keep warm.  
2. Form four patties, season with salt and pepper, and cook in the same skillet or a separate pan 3–4 minutes per side until done.  
3. During last minute of cooking, top each patty with Swiss cheese and cover to melt.  
4. Meanwhile, spread remaining butter on buns and toast briefly.  
5. Place patties on buns, spoon buttered mushrooms and onions over the cheese, and serve.