Comfort food with a fun twist, this rainbow grilled cheese sandwich recipe is a regular grilled cheese with a twist and it is perfect for the kids. Melty cheese that is brightly colored with toasty bread. The whole family is going to love this rainbow sandwich recipe!
Divide the shredded mozzarella into 4 different bowls. Add food coloring to each bowl and mix well with a fork to color the cheese. The shredded cheese should be fully coated in each different color you are wanting in your rainbow sandwich.
Divide the mayo and spread it onto one side of one of the slices of the bread.
Place the bread mayo side down on the skillet. Layer the cheese vertically across the bread slice.
Heat non-stick frying pan on medium.
Spread mayo on one side of one of the other slice of bread. Place the piece of bread mayo side up on top of the cheese.
Cook for 3-4 minutes on the first side and then 2-3 minutes on the second side. You want to cook each side until it is golden brown before flipping it over.