These easy sandwich stackers feature layers of sliced avocado, sliced tomato, lettuce, sliced cucumbers, and Swiss cheese. They're perfect for a summer supper.
Spread mayonnaise on the 8 slices of bread.
Layer 4 slices with 1 lettuce leaf, 1 slice tomato, 1 slice avocado, 3 slices cucumber, and 1 slice cheese; top with remaining bread slices. Cut sandwiches in half diagonally.
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