Midweek Mushroom Pasta

By AislePrompt Editorial · Published 2026-04-18 · Updated 2026-04-18

A comforting weeknight pasta dish featuring earthy mushrooms and a velvety cream sauce, ready in 35 minutes. This Italian pasta recipe (vegetarian), ready in about 35 minutes, pairs spaghetti, olive oil, and onion for a weeknight-friendly dinner. Each serving lands at about 550 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Build a week of meals around this recipe" 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.

Ingredients

• 12 oz spaghetti
• 2 tbsp olive oil
• 1 medium onion, finely chopped
• 3 cloves garlic, minced
• 8 oz cremini mushrooms, sliced
• 1 cup heavy cream
• 1/4 cup Parmesan cheese, grated
• 2 tbsp fresh parsley, chopped

The pan we’d use for this → Best Nonstick Cookware for 2026: Top 5 Skillet Picks + Buying Guide

Instructions

1. Step 1: Bring a large pot of salted water to a rolling boil. Add 12 oz spaghetti and cook for 8-10 minutes until al dente, then drain and reserve 1/2 cup pasta water.
2. Step 2: Heat 2 tbsp olive oil in a large skillet over medium heat. Add 1 medium chopped onion and cook for 3-4 minutes until translucent, then add 3 minced garlic cloves and cook for 1 minute until fragrant.
3. Step 3: Add 8 oz sliced cremini mushrooms to the skillet and cook for 5-6 minutes until they release their moisture and begin to brown.
4. Step 4: Stir in 1 cup heavy cream and 1/4 cup grated Parmesan cheese, then add 1/2 cup reserved pasta water. Cook for 2-3 minutes until the sauce thickens, stirring constantly.
5. Step 5: Add the drained spaghetti to the skillet and toss until well coated. Season with salt and pepper to taste. Garnish with 2 tbsp chopped fresh parsley.