INGREDIENTS
2 tbsp
butter
1
medium onion, chopped
3 cloves
garlic, minced or pressed
1/2 tsp
red pepper flakes
1
large crown broccoli
4 cups
veggie broth
1/2 tsp
kosher salt
Freshly ground pepper,
Parmesan rind (optional)
1/2 cup
low-fat greek yogurt