Preheat oven to 350 degrees
Melt Butter: In medium size saucepan melt the butter and cook the minced garlic over low heat for 30 seconds.
Make Roux: Stir in the flour until smooth. Cook for an additional 2-3 minutes.
Milk: Whisk in the milk, cook over medium heat whisking occasionally until sauce is thickened.
Cheese: Add in the cheeses and stir while the cheese melts into the sauce. Taste and adjust salt/seasonings as desired.
Pour over hominy: Add the hominy into the 2 qt baking dish. Pour the cheese sauce over the top. Stir so that the hominy is coated in the sauce.
Bake: Top with additional shredded white cheddar cheese, cover with foil and bake for 45 minutes. Remove the foil and continue baking an additional 15 minutes until bubbly and golden on the top.
Topping: Remove from the oven and allow to cool a couple minutes, then sprinkle with additional blue cheese crumbles before serving.