Bacon Mushroom Swiss Burger with Caramelized Onions on Herbed Cloud Bun

INGREDIENTS

For the Rosemary Parmesan Cloud Buns

eggs

3 tbsp

softened cream cheese

1/4

teaspoon cream of tartar

1/4 cup

parmesan or pecorino romano

1 tsp

chopped fresh rosemary

For the Caramelized Onions

yellow onions cut in half, then chopped across to create thin strips

1 tbsp

extra-virgin olive oil

salt

For the Brown Butter Mushrooms

2 cups

sliced button mushrooms

1/4 cup

beef stock

2 tbsp

butter

For the Burgers

lbs. ground beef

1 tsp

garlic powder

1 tsp

onion powder

1 tsp

Steak Seasoning

1 tsp

All Purpose Seasoning

1/4 tsp

pepper

slices Swiss cheese

To Assemble

Rosemary Parmesan Cloud Buns

Burger Patties

slices of cooked bacon

Caramelized Onions

Brown Butter Mushrooms

spicy brown mustard