Jun 7, Avocado Grilled Cheese - So buttery and just downright AH-MAZING, oozing with avocado cheesy goodness. It's the best grilled cheese ever. This sandwich has all the melted, cheesy flavor of grilled cheese—with added benefits. Whole-wheat bread provides filling fiber, avocado adds healthy. Dinner ready in 20 minutes! Serve these cheesy sandwiches filled with bacon, tomato and avocado – a quick and easy recipe. Dinner ready in 20 minutes! Serve these cheesy sandwiches filled with bacon, tomato and avocado – a quick and easy recipe. Top with cheddar cheese, sliced avocado, and other slices of buttered bread. Grill for a couple of minutes until cheese has started to melt and bread is grilled to . California Avocado grower Randy Axell loves to make this grilled cheese sandwich with cheddar and pepper jack cheeses, Fresh California Avocado, tomato.