Tomato Blue Cheese Pasta Sauce

Ingredients:

small onion, finely chopped
2 T. butter
16 oz can of crushed tomatoes
1/4 cup white wine
salt, pepper, red pepper flakes
3/4 cup milk  
40 grams crumbled blue cheese
2-3 heaping Tablespoons grated parmesan cheese

Saute onion in butter. Add crushed tomatoes, wine, salt, pepper, and red pepper flakes. Bring to a boil. Cover and reduce heat to simmer for 15 minutes. Add milk and simmer for a a few minutes longer. Add cheeses and stir until melted. If the sauce seems too thick, boil uncovered while stirring until it has reached the desired consistency.
Serve with pasta.