Spaghetti Squash Breakfast Casserole

Ingredients (for 2 servings)

• 1 whole — spaghetti squash
• 6 oz — thick-cut bacon
• 1 tbsp — olive oil
• 1 whole — yellow onion
• 8 whole — eggs
• 5 oz — Gruyere or extra-sharp cheddar cheese
• 1.5 tsp — fine sea salt
• 0.5 tsp — black pepper