Food Babe's Stuffed Delicata Squash

small delicata or acorn squash

extra virgin olive oil, divided

diced yellow onion

garlic, minced

ground turkey or chicken (vegetarian: use 3 cups diced mushrooms)

medium apple, diced

fennel seeds

dried sage

sea salt and pepper,

eggs, beaten (vegan: use 2 tablespoons ground flaxseed mixed with 6 tablespoons water)