Spam Hot Vegetable Salad Sandwiches

• 1 tomato
• 120 gr monterey jack (shredded)
• 95 gr thinly carrot (sliced)
• 45 gr broccoli (finely chopped)
• 30 gr onion (chopped)
• 18 gr peppercorn ranch-style
• 6 slices unsliced wheat buns (whole)