Take 3 cups of shredded chicken and pour ½-3/4 cup of Italian Dressing on top and toss to coat chicken. Set aside.
Sauteed Vegitables
In a large skillet and over medium heat, place sliced mushrooms and onions in 3 tablespoons of butter. Sauté until onions are transparent.
Rolls
On a large cookie sheet, lightly butter rolls and place in oven under broiler to toast bread. Watch closely as they will brown quickly. Remove from oven and place ½ cup Italian chicken on roll and top with sauteed mushrooms and onions. Place cheese on top and place back into the oven under broiler to melt cheese. Remove from oven and enjoy!
CrockPot
Place 3-4 chicken breasts in crock pot. Salt and pepper to taste, add 1 cup chicken broth, 1 garlic clove crushed and allow to cook on low for 6-8 hours. Remove chicken and shred, then follow the above directions.
Instant Pot
Add 3-4 chicken breasts to your Instant Pot. Add one cup water or broth to the bottom. Salt and Pepper chicken breasts. Add 1-2 teaspoon garlic. Cook on Manual for 18-22 minutes. Allow to natural release for 15 minutes and quick release the remaining. Remove chicken and shred. Then follow the above directions.