Slow Cooker Meatball Subs with Parmesan, White Cheddar Queso

INGREDIENTS

1 lb

Ground beef

1/2 lb

Ground pork

2 cloves

Garlic

1/2 tsp

Oregano, dried

2 tbsp

Parsley, fresh

1/4 cup

Yellow onion

Eggs

3 tbsp

All-purpose flour

1/4 tsp

Black pepper

1/4 tsp

Cayenne pepper

1/4 tsp

Chili powder

1/2 tsp

Kosher salt

Cobblestone bread co. white sub rolls

1/2 cup

Italian breadcrumbs, seasoned

3 tbsp

Butter, unsalted

3/4 cup

Parmesan, grated

1 cup

White cheddar cheese, grated

1 1/4 cups

Whole milk

2 cups

Store-bought marina (your favorite brand)