1 lb cauliflower florets
8 oz broccoli
8 oz brussels sprouts, quartered
2 cups onion (white or yellow)
1 tsp olive oil or butter
1 + ½ tsp Nielsen-Massey Madagascar Bourbon Pure Vanilla Extract
¼ cup butter
¼ cup flour
½ cup heavy cream, room temperature
1 cup milk, room temperature
4 oz gruyere cheese, grated
4 oz gouda cheese, grated
¼ tsp salt
black pepper, to taste
¼-1/2 cup Italian-seasoned breadcrumbs
1-2 TBSP butter