Vegetable and Mushroom Omelet

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A protein-packed breakfast with spinach, mushrooms, and eggs, cooked to fluffy perfection. This american-inspired whole30 (whole30) ready in about 20 minutes pairs large Eggs, sliced Mushrooms, fresh Spinach for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 235 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 10 min Serves 2 American cuisine 235 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 1/2 tbsp olive oil in a non-stick skillet over medium heat. Add mushrooms and cook for 5 minutes until golden brown, stirring occasionally.
  2. Step 2: Add spinach to skillet and cook for 2 minutes until wilted.
  3. Step 3: In a bowl, whisk together 4 eggs, 1/4 tsp salt, and 1/8 tsp black pepper until well combined.
  4. Step 4: Pour egg mixture over vegetables in skillet, tilting to spread evenly. Cook for 3-4 minutes until edges set and center is slightly runny.
  5. Step 5: Fold omelet in half and cook for 1-2 minutes until center is set.

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Frequently asked questions

How long does Vegetable and Mushroom Omelet take to make?

Total time is about 20 minutes (10 min prep + 10 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Vegetable and Mushroom Omelet?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep large eggs from drying out.

Can I substitute ingredients in Vegetable and Mushroom Omelet?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Vegetable and Mushroom Omelet for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Vegetable and Mushroom Omelet whole30?

Yes — this recipe is tagged whole30 based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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