Asparagus Mushroom Red Pepper Pasta

Dana Whitfield

Asparagus Mushroom Red Pepper Pasta

This asparagus mushroom red pepper pasta is a quick, flavorful vegetarian dinner made with crisp-tender asparagus, perfectly seared cremini mushrooms, sweet roasted red pepper, and a light garlic-Parmesan cream sauce. Ready in 30 minutes, made in one skillet plus one pot, and packed with bold spring flavors. Perfect for busy weeknights and easy enough for beginners.

Print Recipe Pin Recipe

Prep Time 10

Cook Time 20

Total Time 30

Servings: 4 servings

Course: Dinner

Cuisine: American, Italian

Calories: 571

Ingredients Equipment Method Notes

Ingredients

-- PASTA AND VEGETABLES ---
Ingredient 1: Amount: 12 | Unit: oz | Name: Penne pasta or rigatoni, fusilli Notes: Cook al dente — pull 1 minute before package directions for best texture
Ingredient 2: Amount: 1 | Unit: bunch about 1 lb | Name: Fresh asparagus, woody ends trimmed, cut into 1-inch pieces Notes: Choose medium-thickness stalks for even cooking
Ingredient 3: Amount: 8 | Unit: oz | Name: Cremini mushrooms sliced ¼-inch thick Notes: Wipe clean with damp paper towel — do not wash under water
Ingredient 4: Amount: 1 | Unit: large | Name: Roasted red pepper jarred or homemade, sliced into thin strips Notes: Drain jarred peppers well and pat dry before slicing
Ingredient 5: Amount: 3 | Unit: cloves | Name: Garlic finely minced Notes: Fresh garlic only — garlic powder is not a substitute here
Ingredient 6: Amount: 3 | Unit: tbsp | Name: Extra virgin olive oil divided
Ingredient 7: Amount: 1 | Unit: tsp | Name: Kosher salt divided (plus more for pasta water)
Ingredient 8: Amount: | Unit: to taste | Name: Cracked black pepper
--- SAUCE ---
Ingredient 9: Amount: 1½ | Unit: cups | Name: Half-and-half or light cream Notes: Use heavy cream for a richer sauce, or full-fat coconut milk for a vegan version
Ingredient 10: Amount: ⅔ | Unit: cup | Name: Freshly grated Parmesan cheese plus more for serving Notes: Always use freshly grated — pre-shredded Parmesan does not melt smoothly
Ingredient 11: Amount: 2 | Unit: tbsp | Name: Fresh lemon juice Notes: Fresh-squeezed only
Ingredient 12: Amount: 2 | Unit: tsp | Name: Lemon zest
Ingredient 13: Amount: ½ | Unit: tsp | Name: Dried oregano
Ingredient 14: Amount: ½ | Unit: tsp | Name: Dried thyme
Ingredient 15: Amount: ¼ | Unit: tsp | Name: Red pepper flakes plus more for garnish
--- GARNISH ---
Ingredient 16: Amount: | Unit: handful | Name: Fresh basil leaves chopped

Equipment

Equipment 1: Name: Large Pot Notes: For boiling salted pasta water — use a pot large enough to cook pasta without crowding
Equipment 2: Name: Large Skillet (12-inch) Notes: Wide skillet allows mushrooms to sear properly without crowding — do not use a small pan
Equipment 3: Name: Colander / Pasta Strainer Notes: For draining pasta — remember to reserve 1 cup pasta water before draining
Equipment 4: Name: Sharp Knife and Cutting Board Notes: For trimming asparagus, slicing mushrooms, and chopping red pepper
Equipment 5: Name: Microplane Zester Notes: For lemon zest — a microplane produces the finest zest with most aroma
Equipment 6: Name: Wooden Spoon or Silicone Spatula Notes: For tossing pasta and vegetables without breaking the asparagus

Method

Step 1: Cook the Pasta Bring a large pot of generously salted water to a boil. Add pasta and cook to al dente per package directions. Before draining, scoop out 1 cup of pasta water and set aside. Drain pasta and set aside.
Step 2: Sear the Mushrooms Heat 1 tablespoon olive oil in a large skillet over medium-high heat. Add sliced mushrooms and ½ teaspoon salt. Let cook undisturbed for 2 minutes to develop a golden crust, then stir and continue cooking 3 to 5 minutes total until deeply browned. Remove from skillet and set aside.
Step 3: Cook the Asparagus In the same skillet over medium heat, add 2 tablespoons water and the cut asparagus. Season with ½ teaspoon salt. Cook, stirring frequently, for 4 to 5 minutes until asparagus is bright green and crisp-tender. Do not overcook — it should still have a slight bite. Remove and set aside with the mushrooms.
Step 4: Build the Garlic Cream Sauce Reduce heat to medium-low. Add the remaining 2 tablespoons olive oil to the skillet. Add minced garlic and sauté 1 minute until fragrant. Pour in the half-and-half and bring to a gentle simmer. Cook 3 to 4 minutes, stirring occasionally, until slightly thickened.
Step 5: Add Cheese and Seasoning Reduce heat to low. Add grated Parmesan gradually while stirring continuously until the sauce is smooth and creamy. Stir in dried oregano, thyme, red pepper flakes, lemon juice, and lemon zest. Taste and adjust seasoning with salt and black pepper.
Step 6: Combine and Toss Add the drained pasta, seared mushrooms, cooked asparagus, and sliced roasted red pepper to the skillet. Toss everything together until evenly coated. If the sauce is too thick, add reserved pasta water one tablespoon at a time until you reach the right consistency.
Step 7: Garnish and Serve Divide into bowls and top with extra grated Parmesan, a pinch of red pepper flakes, and fresh chopped basil. Serve immediately for best texture and flavor.

Notes

PASTA WATER: Always reserve at least 1 cup of pasta water before draining. The starch helps bind the sauce to pasta and is the best tool for adjusting consistency.

MUSHROOM TIP: Do not wash mushrooms under running water — wipe with a damp paper towel. Wet mushrooms steam instead of sear and lose all their golden depth.

ASPARAGUS TIP: Cook only until bright green and crisp-tender — overcooking turns it dull and mushy. Thin stalks: 3 minutes. Medium stalks: 5 minutes. Thick stalks: 6–7 minutes.

STORAGE: Refrigerate in an airtight container for up to 3 days. Reheat on the stovetop over low heat with a splash of pasta water or milk to loosen sauce. Do not freeze (cream sauces separate).

VEGAN: Replace half-and-half with full-fat coconut milk or oat cream. Use nutritional yeast or vegan Parmesan instead of dairy Parmesan.

GLUTEN-FREE: Use gluten-free penne or rigatoni. Check package cooking time as it may differ from regular pasta.

PROTEIN ADD-IN: Add grilled chicken strips, sautéed shrimp, or flaked salmon in Step 6 with the vegetables.

RICHER SAUCE: Substitute heavy cream for half-and-half, or add 2 tablespoons cream cheese to the sauce in Step 5 for extra richness.

ROASTED RED PEPPER: Jarred roasted red peppers work perfectly — just drain and pat dry before slicing. For homemade, broil whole red bell peppers at 450°F for 10–12 minutes, steam covered for 10 minutes, then peel.

NUTRITION

(Per serving — 1 of 4 servings, with Parmesan cream sauce)

Serving Size: 1 serving (approximately 2 cups) Calories: 571 Total Fat: 21 g Saturated Fat: 9 g Unsaturated Fat: 11 g Trans Fat: 0 g Carbohydrates: 76 g Sugar: 9 g Fiber: 6 g Protein: 21 g Sodium: 784 mg Cholesterol: 37 mg Potassium: 824 mg Vitamin A: 1284 IU Vitamin C: 12 mg Calcium: 264 mg Iron: 4 mg

Nutritional values are estimates based on standard ingredient amounts. Values vary based on specific brands, pasta shape, and whether heavy cream is substituted for half-and-half.