Pepperoni Pizza Mac and Cheese

INGREDIENTS

1 lb

box small dry pasta

3 tbsp

extra virgin olive oil

1 1/2 cups

finely chopped onion

1 cup

finely chopped red bell pepper

2 tbsp

minced garlic

2 cups

halved pepperoni slices

15 oz

can black olives, drained (optional)

stick/8 tablespoons unsalted butter

1/2 cup

all-purpose Gold Medal Flour

1 tsp

kosher salt

1/2 tsp

freshly ground black pepper

1/4 tsp

garlic salt

3 cups

milk (I used skim)

1 1/2 cups

pasta sauce (I used skim)

4 cups

shredded cheddar cheese, divided