Loaded Greek Burgers

INGREDIENTS

• 1 red bell pepper
•  
• Spread:
• 2 ounces crumbled feta cheese
• 2 tablespoons mayonnaise
• 2 teaspoons lime juice
• 1 sprig fresh mint, chopped
• 1 sprig fresh parsley, chopped
• Burgers:
• 1 pound lean ground beef
• 6 ounces crumbled feta cheese
• 8 ounces fresh spinach - rinsed, drained and coarsely chopped
• 1/4 cup bread crumbs
• 1 egg
• 1 clove garlic, minced
• 1/4 cup chopped onion
• 2 sprigs fresh basil, coarsely chopped
• 3 sprigs fresh mint, coarsely chopped
• 2 sprigs fresh parsley, coarsely chopped
• salt and ground black pepper to taste
• 4 Kaiser rolls, split and toasted
• 1 tomato, sliced
• 4 leaves lettuce