Preheat oven to 180°C (350°F). Lightly grease a 6-cup muffin tray or line with silicone liners.
Heat olive oil in a pan over medium heat. Add spinach and sauté for 1–2 minutes until just wilted. Remove from heat and cool slightly.
In a bowl, whisk eggs with milk, salt, pepper, garlic powder, and oregano.
Stir in cooked spinach and feta cheese.
Pour mixture evenly into muffin cups, filling about ¾ full.
Bake for 18–22 minutes until set in the center.
Let cool for 5 minutes before removing from tray.
• Serve warm or at room temperature
• Store in the refrigerator for up to 4 days
• Freezer-friendly for up to 2 months
Complete Nutritional Information
(approximate values per 1 muffin, based on 6 muffins)