This recipe uses 3+ cups of prepared Hatch Chile that’s been roasted, de-stemmed, skinned, and seeded. I’ve made chile rellenos with poblano peppers before, so this time I decided to make a breakfast casserole. Then roughly chopped. To do this, char the peppers all over and then place in a plastic zipper bag to steam for 15 minutes, then peel using your fingers. Ground Beef Chile Relleno Casserole This is a delicious ground beef chile relleno casserole made with fresh, oven roasted poblano peppers. My Mexican inspired casserole is perfect for feeding a crowd, special occasions, or easy weeknight family meals. It's creamy, cheesy, and my version if filled with chicken and great for breakfast or dinner. Generally about 12 – 13 LARGE Hatch peppers = 1 lb of roasted pepper. https://www.allrecipes.com/recipe/18795/chile-relleno-casserole How to prepare hatch chiles: The skins of the peppers are tough and need to peeled before chopping. The smokey flavor the peppers give to this recipe is what makes this so delicious along with all the cheese. Poblano Pepper Chili Rellenos Casserole is an easier version of the popular Chili Rellenos entree. In 1858 it was described as a "green chile pepper stuffed with minced meat and coated with eggs". In Mexico, it consists of a stuffed, roasted, fresh poblano pepper (a large and mild chili pepper named after the city of Puebla), sometimes replaced with a Hatch chile, Anaheim, pasilla or even jalapeño chili pepper. https://www.allrecipes.com/recipe/217018/chili-relleno-casserole Once you remove the skin, stem, and de-seed the pepper the yield will be just shy of 2 cups of pepper flesh (either whole or roughly chopped). A delicious Mexican food recipe everyone is going to love.