INGREDIENTS
1 lb
Ground round, lean
3
Garlic clove
1 tsp
Oregano, dried
1/4 cup
Parsley, fresh
1/3 cup
Red bell peppers, bottled roasted
1
thick 5 (1/2-inch-thick) slices Red onion
1 10 ounce package
Spinach, frozen dry
1
Egg, large
2 tbsp
Mayonnaise, light
1/2 tsp
Black pepper, coarsely ground
1/4 tsp
Salt
1
Cooking spray
5
sourdough sandwich buns
2/3 cup
Breadcrumbs, fresh
1/2 cup
Feta cheese
2 tbsp
Yogurt, plain fat-free