Spicy Italian Sausage Breakfast Casserole

large Idaho potato, diced

loaf of bakery sourdough bread, chopped into 2-inch squares (~4 cups)

olive oil

Italian sausage

purple onion, diced

minced garlic

medium red pepper, chopped

medium green pepper, chopped

sun-dried tomatoes (the kind in oil)

olive oil (option to use the oil from the sun-dried tomatoes)

goat cheese

salt,

pepper,

large eggs