01 -
Heat a large skillet over medium heat and add olive oil or butter.
02 -
Shape the ground beef into two patties and season evenly with garlic powder, salt, and black pepper.
03 -
Place patties in the skillet and cook 4 to 5 minutes per side until browned and fully cooked.
04 -
Add sliced mushrooms to the skillet and cook until softened and lightly golden, allowing moisture to evaporate.
05 -
Place Swiss cheese slices atop the patties during the last minute of cooking to melt thoroughly.
06 -
Distribute chopped romaine lettuce evenly into two serving bowls.
07 -
Slice cooked burger patties into strips and arrange over the lettuce.
08 -
Top bowls with sautéed mushrooms, cherry tomato halves, red onion slices, and pickles.
09 -
Drizzle keto burger sauce or garlic aioli over the bowl if desired and serve immediately.