Quick Basil Pesto Pasta Ready in Under 20 Minutes
Boil pasta, stir in pesto, eat. That's genuinely it.
When dinner needs to happen fast and your brain has nothing left, pesto pasta is your best friend. You're not making the pesto from scratch — you're using good store-bought, and that is the right call tonight. Boil some noodles, toss them with pesto, a splash of pasta water, and a handful of Parmesan, and you've got a real meal in under 20 minutes. It tastes bright and herby, feels satisfying, and requires almost no decisions. This is the dinner you make when everything else feels like too much.
Ingredients
- 8 oz linguine or spaghetti — or any pasta you have on hand
- 0.33 cup store-bought basil pesto — good-quality jarred pesto works great here
- 0.5 cup reserved pasta cooking water — scoop it out before draining
- 0.5 cup grated Parmesan — plus more for serving
- 1 tbsp olive oil — extra-virgin
- 1 unit lemon — zest and juice of half
- 1 pinch red pepper flakes — optional, for a little heat
- 1 tsp kosher salt — for pasta water
- 1 pinch black pepper — freshly ground if you have it
Method
- 1 Bring a large pot of water to a boil over high heat. Once boiling, add a generous pinch of salt — the water should taste like the sea.
- 2 Add the pasta and cook according to package directions until al dente, usually 8–10 minutes.
- 3 Before draining, scoop out about ½ cup of the starchy pasta cooking water with a mug or ladle. Set it aside.
- 4 Drain the pasta and return it to the pot (off the heat).
- 5 Add the pesto, olive oil, and 3–4 tbsp of the reserved pasta water. Toss vigorously to coat every strand — add more pasta water a splash at a time if it looks dry or clumpy.
- 6 Add the Parmesan, a squeeze of lemon juice, and the lemon zest. Toss again until creamy and glossy.
- 7 Taste and adjust: more lemon for brightness, more pesto for intensity, more pasta water to loosen.
- 8 Divide into bowls, top with extra Parmesan and red pepper flakes if using, and eat immediately.
Variations
- Add protein — Toss in a handful of pre-cooked rotisserie chicken or canned white beans with the pesto for a more filling meal without adding more than 2 minutes.
- Dairy-free swap — Use a dairy-free pesto and skip the Parmesan, or replace it with 2 tbsp of nutritional yeast for a similar savory depth.
- Faster version — Use fresh pasta (found in the refrigerated section) — it cooks in 2–3 minutes and shaves 6–8 minutes off total time.
- Bulk it up — Stir in a big handful of baby spinach or halved cherry tomatoes right after tossing with pesto — residual heat wilts the spinach and warms the tomatoes perfectly.
Notes
The pasta water is the secret — don't skip saving it. The starch helps the pesto cling to the noodles and creates a sauce instead of a clump. If your pesto looks a little dull from the jar, the lemon zest wakes it right up. Leftovers are fine cold the next day as a pasta salad — just don't reheat, as pesto turns bitter when cooked.
Equipment that helps
- Large pot — Pasta needs plenty of water to cook evenly and not stick together — a pot that's too small leads to gummy noodles.
- Tongs — Tossing pasta with tongs lets you coat every strand in pesto far more efficiently than a spoon.
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