From the Kitchen of: Bonnie
Source: Company's Coming Sandwiches & Wraps
Prepare and cook in 30 minutes. There's a surprise in the middle!
| 1 | lb. | lean ground beef |
| 1 | large | egg |
| 3 | tbsp. | chopped cooked spinach, squeezed dry |
| 1 | tbsp. | grated onion |
| 1/2 | tsp. | salt |
| freshly ground pepper, to taste | ||
| 3 | tbsp. | grated medium Cheddar cheese |
| light salad dressing (or mayonnaise) for garnish | ||
| ketchup, for garnish | ||
| 4 | kaiser rolls (or buns), split and toasted | |
| 4 | ripe medium tomato slices | |