Sautéed Spinach and Mushroom Open-Faced Sandwich

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

Earthy mushrooms and tender spinach sautéed with garlic, served on toasted sourdough bread for a simple, savory brunch. This Mediterranean-inspired brunch recipe (vegetarian), ready in about 25 minutes, combines sourdough bread slices, olive oil, garlic cloves, minced into a breakfast that fuels the morning without the midday crash — make-ahead-friendly and balanced enough to anchor the first meal of the day. Each serving lands at about 220 calories and feeds 4, so it sits comfortably in a weekly breakfast rotation alongside fruit, yogurt, or coffee. 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: 15 min Serves 4 Mediterranean cuisine 220 cal/serving
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Ingredients

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Instructions

  1. Step 1: Heat 2 tbsp olive oil in a large skillet over medium heat. Add 3 minced garlic cloves and sauté for 30 seconds until fragrant.
  2. Step 2: Add 8 oz sliced white button mushrooms and cook for 5-6 minutes, stirring occasionally, until mushrooms are golden and most moisture has evaporated.
  3. Step 3: Add 4 cups fresh spinach leaves to the skillet, season with 1/2 tsp salt and 1/4 tsp black pepper, and cook, stirring, for 2-3 minutes until spinach wilts.
  4. Step 4: Meanwhile, toast 4 slices of sourdough bread until golden and crisp.
  5. Step 5: Divide the sautéed spinach and mushroom mixture evenly over the toasted bread slices and sprinkle each with about 1 tbsp grated Parmesan cheese.
  6. Step 6: Serve warm as an open-faced sandwich, perfect for a light brunch.

Frequently asked questions

How long does Sautéed Spinach and Mushroom Open-Faced Sandwich take to make?

Total time is about 25 minutes (10 min prep + 15 min cook). Most home cooks find this fits comfortably into a busy morning; prep components the night before to save active time.

How do I store leftover Sautéed Spinach and Mushroom Open-Faced Sandwich?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat in the microwave or oven; egg- or grain-based items may need a splash of milk or water to refresh texture. Cold-served items (overnight oats, smoothies) keep 2–3 days in the fridge.

Can I substitute ingredients in Sautéed Spinach and Mushroom Open-Faced Sandwich?

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 Sautéed Spinach and Mushroom Open-Faced Sandwich for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Sautéed Spinach and Mushroom Open-Faced Sandwich vegetarian?

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

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