siggi's Icelandic-style yogurt: skyr - Creamed Spinach

Ingredients

• 2 Tbs olive oil
• 2 Tbs butter
• 1 medium onion, chopped
• 2 cloves garlic, minced
• 1 lb baby spinach, washed
• 1 cup siggi’s plain yogurt
• 1/8 tsp ground nutmeg
• salt and pepper to taste