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Spinach & Mushroom Egg Muffins

Recipes March 12, 2026 • 2 min
pan of spinach egg bites fresh from the oven
Spinach & Mushroom Egg Muffins
1:00

These egg muffins solve the most common breakfast problem: no time. Make one batch on Sunday and you have six mornings covered — just 60 seconds in the microwave and you're out the door. Spinach and mushrooms do most of the nutritional work here, bringing iron, folate, B vitamins, and a satisfying savory flavor that makes these feel like a real breakfast, not a compromise. They're a reliable heart-healthy option you can build into a weekly routine without much thought.

Why This Recipe Supports Heart Health

  • Spinach provides potassium and folate, two nutrients that support healthy blood pressure and circulation
  • Mushrooms add B vitamins and umami depth without added sodium or fat
  • Eggs deliver complete protein to keep you full through the morning

Prep Time: 10 minutes
Cook Time: 22 minutes
Total Time: 32 minutes
Servings: 6

Meal Type: Breakfast
Health Tags: Cardiac Support

Ingredients:

  • 8 large eggs
  • ¼ cup low-fat milk or unsweetened oat milk
  • 2 cups fresh baby spinach, roughly chopped
  • 1 cup cremini mushrooms, finely diced
  • ¼ cup red onion, diced small
  • 2 garlic cloves, minced
  • ¼ tsp black pepper
  • ¼ tsp garlic powder
  • Pinch of red pepper flakes (optional)
  • 1 tsp olive oil
  • Olive oil cooking spray
  • Optional: 2 tbsp crumbled feta or part-skim ricotta

Instructions:

  1. Preheat oven to 350°F. Coat a standard 12-cup muffin tin generously with cooking spray.
  2. Heat olive oil in a skillet over medium heat. Sauté red onion 2–3 minutes. Add garlic and mushrooms, cook 4–5 minutes until moisture releases and mushrooms begin to brown.
  3. Add spinach and stir until just wilted, about 1 minute. Remove from heat.
  4. Whisk eggs, milk, black pepper, and garlic powder in a large bowl. Fold in the cooked vegetable mixture.
  5. Pour evenly into the prepared muffin cups, filling each about ¾ full. Add a small crumble of feta to each if using.
  6. Bake 20–22 minutes until centers are set and tops are just golden.
  7. Cool 5 minutes before removing. Refrigerate up to 5 days; reheat 60 seconds in the microwave.

Notes & Substitutions:

  • Swap spinach for kale or Swiss chard
  • Use diced zucchini or sun-dried tomatoes in place of mushrooms
  • Add a pinch of smoked paprika or everything bagel seasoning on top before baking
  • Freeze individual muffins for up to 1 month; thaw overnight in the refrigerator or microwave on high for 30 seconds

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