Spinach and Spaghetti Squash Dip

package (8 oz) lower fat cream cheese

Greek yogurt or low fat sour cream

Parmesan cheese, shredded

part skim mozzarella cheese, shredded

spaghetti squash, cooked and wringed out (see instructions below)

cooked spinach

garlic cloves, minced

Cayenne pepper

Salt