Pesto + Mushroom Stuffed Spaghetti Squash

INGREDIENTS

lbs spaghetti squash (approx. 2.5)

3 tbsp

olive oil (divided)

2 cloves

garlic (minced)

1/4 cup

diced red onion

5 1/2 oz

baby bella mushrooms (sliced)

1/4 cup

pesto

1/4 cup

tomato sauce

1/4 cup

shredded parmesan or pecorino romano

Kosher salt and cracked black pepper (to taste)

Shredded mozzarella

Fresh basil