Vegan Basil Pesto Pasta with Cashews
Plant-based basil pesto with cashews and nutritional yeast tossed through pasta.
This vegan pesto pasta blends basil, cashews, garlic, olive oil and nutritional yeast into a savoury sauce. The source says “live yeast”; this is interpreted as nutritional yeast, which adds a cheesy flavour without acting as a leavener. Reserve pasta water to loosen the pesto and help it cling. Blend the sauce briefly so it stays bright green, then toss with hot pasta off the heat. Boil pasta in salted water according to package directions until al dente. Reserve a cup of pasta water, then drain. Blend basil, cashews, garlic, nutritional yeast, olive oil, lemon juice, salt and pepper until mostly smooth. Add a spoonful of pasta water and blend briefly until pesto is loose but still coats a spoon.

Recipe card
Vegan Basil Pesto Pasta with Cashews
Equipment: Measuring cups and spoons, mixing bowls, a sharp knife, and the pan or baking dish specified in the method
Ingredients
Instructions
Cook pasta
Boil pasta in salted water according to package directions until al dente. Reserve a cup of pasta water, then drain.
Blend pesto
Blend basil, cashews, garlic, nutritional yeast, olive oil, lemon juice, salt and pepper until mostly smooth.
Adjust texture
Add a spoonful of pasta water and blend briefly until pesto is loose but still coats a spoon.
Toss pasta
Return pasta to warm pot off the heat. Add pesto and toss, adding pasta water gradually until glossy.
Taste
Adjust lemon, salt and pepper.
Serve
Divide into bowls and garnish with extra basil or cashews.
How to tell when it is ready
Divide into bowls and garnish with extra basil or cashews.
Tips
- Boil pasta in salted water according to package directions until al dente.
- Blend basil, cashews, garlic, nutritional yeast, olive oil, lemon juice, salt and pepper until mostly smooth.
- Add a spoonful of pasta water and blend briefly until pesto is loose but still coats a spoon.
- Return pasta to warm pot off the heat.
Troubleshooting
- If pesto is too thick, add pasta water a spoon at a time.
- If pesto tastes bitter, blend briefly and add a little lemon or olive oil.
Substitutions
- Use walnuts or sunflower seeds instead of cashews.
- Use gluten-free pasta.
Variations
- Use parsley with some basil.
- Add chilli flakes.
Serving suggestions
- Add cherry tomatoes.
- Serve with a green salad.
- Top with toasted cashews.
- Add roasted courgette.
Make ahead
Prepare components ahead and store safely. Store pesto separately in a sealed jar with a thin oil layer for up to 3 days refrigerated. Pasta is best freshly tossed.
Storage
Store pesto separately in a sealed jar with a thin oil layer for up to 3 days refrigerated. Pasta is best freshly tossed.
Food safety
Refrigerate leftover cooked pasta within 2 hours; keep pesto chilled.genui{"citation":{"ref":"turn6search2"}}
Frequently asked questions
Can I make pesto ahead?
Yes. Refrigerate pesto in a sealed container with a thin film of oil and use within 3 days.
How should I store vegan pesto pasta with basil and cashews?
Store pesto separately in a sealed jar with a thin oil layer for up to 3 days refrigerated. Pasta is best freshly tossed.
Add cherry tomatoes. Store pesto separately in a sealed jar with a thin oil layer for up to 3 days refrigerated. Pasta is best freshly tossed.
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