1 medium onion
2 1/2 teaspoon sugar
1 pound lean steak, sliced into stripes
1/4 teaspoon salt
1/2 teaspoon pepper
1 1/4 cups spinach
5 whole wheat hamburger buns
1. Heat a small pan to medium. Spray with nonstick cooking spray. Add onions and sprinkle with sugar. Cook for 5-7 minutes or until golden brown, stirring occasionally. Remove onions from pan. Cover with foil to keep warm.
2. Put the steak in the pan and sprinkle with salt and pepper. Cook the steak until heated through to 145°F.
3. Assemble the sandwich a. place 1/4 cup spinach on one side of the hamburger bun b. Place 1/5 of the steak on top of the spinach c. place 1/4 cup caramelized onions on top of the steak. d. Top with other half of bun
When it's nice outside, grill the steaks instead of frying
Toast the bun before putting the sandwich together
Use the leftover spinach to make a whole meat salad for lunch the next day
Add cheese to make it like a Philly cheesesteak sandwich