3 cups dry whole wheat pasta (elbows, shells, macaroni, ect.)
1 tablespoon butter or olive oil
½ cup white or yellow onion, diced
3 cloves garlic, minced
1 ½ cups vegetable broth
3 cups butternut squash, diced
¼ teaspoon each salt and pepper
1 cup whole milk
1 cup sharp cheddar cheese, shredded (shred from block cheese for better sauce consistency)
½ cup plain Greek yogurt