Queso Blanco Dip Ingredients 2 Tbsp butter 1/4 cup finely chopped onion* 1/4 tsp crushed garlic* 2 Tbsp all-purpose flour 1 1/4 - 1 1/2 cups whole milk (for thicker sauce use lesser portion) 8 oz. finely shredded Monterey Jack cheese Optional ingredients 1 Roma tomato, seeds removed then diced 2 Tbsp canned, diced