For the beef and mushrooms
01 -
1 tablespoon unsalted butter
02 -
8 oz (225 g) cremini mushrooms, sliced
03 -
1 lb (450 g) 85% lean ground beef
04 -
1/3 cup finely diced yellow onion
05 -
1 teaspoon garlic powder
06 -
3/4 teaspoon kosher salt, divided
07 -
1/2 teaspoon black pepper
08 -
1 tablespoon gluten-free Worcestershire sauce
09 -
4 slices Swiss cheese, about 4 oz (115 g)
For the bowls
10 -
4 cups (450 g) cauliflower rice, fresh or frozen
11 -
2 cups shredded romaine lettuce
12 -
1/2 cup sliced dill pickles
13 -
1/4 cup thinly sliced red onion
For the sauce
14 -
1/3 cup mayonnaise
15 -
1 tablespoon Dijon mustard
16 -
1 tablespoon dill pickle juice
17 -
1/2 teaspoon smoked paprika
18 -
1/4 teaspoon garlic powder