Preheat oven to 350. Slice cheese to appropriate size for crackers. Spread crackers on a lined baking sheet. On each cracker place a slice of cheese and top with a small spoonful of relish. Add an additional slice of cheese & top layer of cheese and top off with a bit more relish. Place tray in oven for 5 minutes and serve immediately for a piping hot, delicious and cheesy hors d'oeuvre!!