- 4 onion hamburger buns
- 1 medium tomato, sliced
- 1 1/2 pounds ground beef chuck
- 1/2 teaspoon kosher salt
- 1/4 teaspoon pepper
- 4 slices Havarti cheese
- 1/4 cup bacon-horseradish dip
- 1/4 cup horseradish sauce
- 2 cups fresh baby spinach leaves
- 8 slices pre-cooked thin bacon slices
- Preheat grill pan (or grill).
- Form ground beef into four patties (wash hands); season with salt and pepper. Place patties in grill pan (or on grill); grill 3-4 minutes on each side or until 160 degrees F. Top with cheese and let stand to melt.
- Combine horseradish dip and sauce; spread 2 tablespoons sauce mixture on inside of buns. Place burgers on bottom halves of buns; top each with 1/2 cup spinach, 2 slices bacon, and tomato. Serve.