Veggie Tuna Burgers | Food Stuff

Ingredients

• 1 teaspoon butter
• 6 slices reduced-fat cheddar cheese
• 1 egg, lightly beaten
• 1 garlic clove, minced
• 6 hamburger buns, split
• 6 lettuce leaves
• 1/4 cup finely chopped onion
• 1/4 teaspoon pepper
• 1/4 teaspoon salt
• 6 slices tomato
• 1 can (6 ounces) light water-packed tuna, drained and flaked
• 2 cups soft whole wheat bread crumbs
• 1 cup each shredded zucchini, yellow summer squash and carrots