Whole Grain Penne with Mushroom Tomato Sauce

Prep: 20 min1 servingsmediumItalian-inspired vegetarian
Whole Grain Penne with Mushroom Tomato Sauce

Whole grain penne pasta combines with a fresh, light sauce of sautéed mushrooms, cherry tomatoes, and sour cream for a simple yet satisfying vegetarian meal. The earthy nuttiness of whole wheat pasta contrasts beautifully with bright, tangy tomatoes and umami-rich mushrooms, while sour cream adds creamy richness without heaviness. Fresh parsley and shallots provide aromatic depth. This dish appeals to health-conscious home cooks seeking whole grain alternatives and quick weeknight dinners. Serve as a light lunch or dinner, particularly in spring and summer when cherry tomatoes are at their peak. This version prioritizes fresh ingredients and minimal cooking time, avoiding heavy cream or complex techniques while maintaining full flavor through proper sautéing and seasoning.

Ingredients

1 servings
  • 4 ½ oz whole grain penne, raw
  • salt, to taste
  • 4 ½ oz mushrooms, fresh, cleaned
    zucchini1:1vegetarian

    lighter texture, milder flavor

    Full guide →
  • 2 ¾ oz cherry tomatoes, fresh
    diced regular tomatoes1:1vegetarian

    different sweetness profile

    Full guide →
  • oz parsley, fresh
  • oz shallots, fresh
  • 1 tablespoon olive oil
    butter0.75:1vegetarianadds dairy

    adds dairy richness

    Full guide →
  • black pepper, to taste
  • cups sour cream, 10% fat
    Greek yogurt1:1vegetarian

    adds creaminess with tanginess

    Full guide →

Instructions

  1. 1

    Bring salted water to boil in a pot. Add whole grain penne and cook according to package directions until al dente. Drain, reserving some pasta water.

  2. 2

    While pasta cooks, clean mushrooms and halve or quarter depending on size. Wash tomatoes and halve them. Wash parsley, shake dry, and chop finely. Peel shallots and dice small.

  3. 3

    Heat oil in a skillet. Add mushrooms and shallots, sauté for 3-4 minutes, season with salt and pepper.

  4. 4

    Mix pasta water with sour cream, parsley, salt, and pepper. Combine penne with tomatoes and mushrooms. Transfer to a plate and pour sour cream sauce over top.

Tips

Tip 1

Reserve pasta water before draining; starchy water emulsifies the sour cream sauce and helps it cling to penne. Start with 1-2 tablespoons and add more if sauce seems too thick.

Tip 2

Sauté mushrooms over medium-high heat without stirring constantly for the first 2 minutes to develop browning and concentrate umami flavors before adding shallots.

Tip 3

Chop parsley just before cooking and stir it in at the end to preserve its bright, fresh flavor and vibrant green color.

Good to Know

Storage

Refrigerate leftovers in an airtight container for up to 2 days. Do not freeze, as sour cream separates upon thawing.

Make Ahead

Prepare vegetables (mushrooms, tomatoes, shallots, parsley) up to 4 hours ahead. Store separately in refrigerator. Cook pasta and sauce just before serving.

Serve With

Serve immediately on warmed plates. Pairs well with a green salad, crusty bread, or white wine.

See pairing guide →

Common Mistakes

Watch

Skip sautéing mushrooms adequately to avoid a watery, bland sauce; allow 3-4 minutes for moisture to evaporate and flavor to concentrate.

Watch

Avoid overcooking whole grain pasta to prevent mushiness; check al dente at one minute before package time.

Watch

Do not mix sour cream directly into hot pasta; temper it with cooled pasta water first to avoid curdling.

Substitutions

Dairy-Free Swaps

sour cream
creme fraiche1:1vegetariandairy-free

richer flavor, more stable at high heat

Full guide →

General Alternatives

sour cream
Greek yogurt1:1vegetarian

adds creaminess with tanginess

Full guide →
mushrooms
zucchini1:1vegetarian

lighter texture, milder flavor

Full guide →
cherry tomatoes
diced regular tomatoes1:1vegetarian

different sweetness profile

Full guide →
olive oil
butter0.75:1vegetarianadds dairy

adds dairy richness

Full guide →
Find more substitutions →

FAQ

Can I make this ahead and reheat it?

Cook components separately and store in airtight containers for up to 2 days. Reheat pasta and mushroom mixture gently on stovetop, add fresh sour cream sauce just before serving to avoid separation.

What if I don't have sour cream?

Substitute Greek yogurt, creme fraiche, or heavy cream thinned with pasta water. Greek yogurt adds protein and tanginess. Creme fraiche is more stable when reheated. Avoid low-fat versions which may separate.

Can I use frozen mushrooms?

Fresh mushrooms are preferable for texture and browning, but thawed frozen mushrooms work. Thaw completely and drain excess liquid before sautéing, as frozen varieties release more water and may not brown properly.