1/2 large white onion, cored, peeled and small diced to make 1 cup
2 Tbsp butter OR 2 Tbsp olive oil, plus a bit more to grease casserole dish(es)
2 large bunches fresh leaf spinach, cleaned and stems discarded, slightly packed down to make 12 cups raw leaves. Note: Once sauteed you will have 1 1/2 cups spinach
Comments