Southwest Mac and Cheese recipes

Name: Southwest Mac and Cheese recipes
Ingredients: 6 slice sourdough bread; 1 1/2 c shredded pepper jack cheese; 1 c shredded chipotle gouda; 1 1/2 c shredded mexican blend cheese; 1 Tbsp canola oil; 1/2 c chopped sweet onions; 4 oz spanish chorizo, chopped into small pieces; 6 Tbsp butter, unsalted-divided use; 3 Tbsp all purpose flour; 2 3/4 tsp kosher salt-divided use; 1/4 tsp ground black pepper; 1/2 tsp garlic powder; 4 c whole milk; 10 oz uncooked dry, medium shell pasta; 1 tsp chili powder; 3 Tbsp finely chopped cilantro; 1/2 c crushed nacho chips