Healthy Green Bean Casserole From Scratch

Ingredients

• 3 medium onions ((thinly sliced))
• 2 eggs
• 3 TBSP heavy cream ((or coconut milk))
• 2-3 TBSP coconut flour
• ½ cup coconut oil ((or tallow))
• ½ cup butter
• 10 mushrooms ((finely diced))
• ½ cup cream ((or coconut milk))
• 4 egg yolks
• ½ tsp garlic powder
• salt and pepper to taste
• 1/3 of onion topping mixture from above
• heavy cream or coconut milk ((or water))
• 2 pounds fresh green beans ((or 5 cans or 2-3 bags of frozen))