01 -
Cut the tomatoes into slices, sprinkle with salt, and let them sit on paper towels for a total of 30 minutes.
02 -
Use a cutter to make 3-inch rounds from the puff pastry sheets and place them into muffin trays. Then, chill them.
03 -
Stir together ¾ cup of Gruyere, ¼ cup of Monterey Jack, mayonnaise, and black pepper until mixed well.
04 -
Add a layer of the cheese mixture, followed by tomatoes, another layer of cheese, and basil into the pastry rounds.
05 -
Bake the assembled pastries at 375°F for 30 minutes. Sprinkle on the rest of the cheese and bake for 5 additional minutes.