BBQ Spaghetti Squash Pizza



1 ball of pizza dough or pre-made pizza crust, gluten free if necessary (see link above for my favorite gluten free pizza crust recipe!)
1 small spaghetti squash
½ teaspoon olive oil
Black pepper
¾ cup BBQ sauce
1 cup shredded cheese, I used a mix of white cheddar and smoked gouda
Small handful thinly sliced red onions
Fresh cilantro leaves for topping