Spinach Casserole with Feta My GreekInspired Bake

Ingredients

• 1 tbsp olive oil (15 ml)
• 1 medium onion, chopped (approximately 1 cup/150g)
• 2 cloves garlic, minced
• 1 (10 oz) package frozen chopped spinach, thawed and squeezed dry (283g)
• 3 large eggs
• 1 cup sour cream (240 ml)
• ½ cup milk (120 ml)
• 1/4 cup all-purpose flour (30g)
• ½ tsp salt (3g)
• ¼ tsp black pepper (1g)
• ¼ tsp ground nutmeg
• 8 ounces feta cheese, crumbled (225g)
• ½ cup shredded mozzarella cheese (50g)