Ham and Cauliflower Rice Casserole with Spinach

package frozen spinach (thawed and squeezed dry (fresh would work too!))

cooked cauliflower rice (can be fresh or leftover)

unsweetened almond milk (or coconut milk)

large eggs

sharp white cheddar cheese (shredded, divided)

mozzarella cheese (shredded, divided)

salt

pepper

olive oil

garlic (minced)

dry white wine

cooked ham (diced)