Sizzling Chicken, Shrimp & Cheese

Name: Sizzling Chicken, Shrimp & Cheese
Cuisine: American
Ingredients: 2 boneless, skinless chicken breasts, sliced lengthwise to produce 4 pieces. Or, 4 boneless, skinless chicken thighs; 1 lb. large or jumbo shrimp peeled, deviened, tail-off; 1 cup Colby jack cheese shredded; 1 red bell pepper sliced; 1 green bell pepper sliced; 1 medium yellow onion sliced; sea salt; black pepper; garlic powder; onion powder; smoked paprika; Italian seasoning; cayenne pepper optional if you don't want spicy; 5 tbsp. grapeseed oil; 6 tbsp. unsalted butter; 2 lb. potatoes red, yellow, russet or Yukon gold; 1/4 cup melted unsalted butter; 1/4 cup sour cream; 1/2 cup half & half; chopped green onions for garnish optional