1 med. zucchini
1 (6 1/2 or 7 oz.) can tuna, drained and flaked
1 1/2 c. white bread cubes
1 egg
2 tsp. onion, grated
1 tsp. lemon juice
1/4 tsp. salt
1/4 tsp. pepper
2 tbsp. salad oil
2 slices whole-wheat bread
3 tbsp. mayonnaise
2 lg. lettuce leaves
1 sm. tomato, sliced

Finely shred zucchini; pat dry with paper towels. In medium bowl, mix zucchini with next 7 ingredients. With hands, shape the zucchini mixture into two 3 inch round patties. In 10 inch skillet over medium heat, in hot salad oil, cook patties until browned on both sides, about 8 to 10 minutes. Toast whole-wheat slices. For each serving, on plate, cut each whole-wheat toast slice diagonally in half; spread with some mayonnaise; top with lettuce leaf, half of tomato slices, and a tuna patty. Top each sandwich with a dollop of mayonnaise. Makes 2 servings.