The best basil substitute for pesto is usually a blend of a mild green and a stronger herb. Spinach gives body and green color, while parsley, arugula, mint, cilantro, or kale add flavor. For the closest everyday swap, use half spinach and half flat-leaf parsley, then adjust garlic, lemon, nuts, cheese, and olive oil.
Best Basil Substitutes for Pesto
| Substitute | Best for | How to use it | Flavor difference |
|---|---|---|---|
| Spinach + parsley | Closest mild green pesto | Use 1/2 spinach and 1/2 parsley by volume | Fresh and green, less sweet than basil |
| Arugula | Pasta, sandwiches, pizza, roasted vegetables | Use 1:1 for basil, or mix with spinach | Peppery and sharper |
| Parsley | Garlic-heavy pesto, fish, chicken, grains | Use 1:1, or blend with spinach for body | Clean and herbal, less aromatic |
| Spinach | Mild pesto for kids, creamy sauces, color | Use 1:1, but add another herb or lemon | Mild and soft, can taste flat alone |
| Mint + parsley | Lamb, peas, potatoes, summer salads | Use mostly parsley with a smaller amount of mint | Cool and bright |
| Cilantro | Tacos, rice bowls, grilled chicken, lime-based sauces | Use 1:1 if the dish fits cilantro flavor | Very different from Italian pesto |
| Kale | Hearty pasta, grain bowls, meal prep | Remove tough stems and use with lemon and enough oil | Earthier and more fibrous |
Quick Ratio Guide
- 1 cup basil leaves: use 1/2 cup spinach plus 1/2 cup flat-leaf parsley.
- 1 cup basil leaves: use 1 cup arugula for a peppery pesto.
- 1 cup basil leaves: use 3/4 cup parsley plus 1/4 cup mint for a bright, fresh pesto.
- 1 cup basil leaves: use 1 cup spinach, then add extra garlic, lemon, cheese, nuts, or parsley so the sauce does not taste flat.
- For a mixed green pesto: start with half mild greens and half flavorful herbs, then adjust after tasting.
How to Balance Pesto Without Basil
If the pesto tastes flat, add lemon juice, lemon zest, garlic, salt, cheese, or a more aromatic herb. If it tastes too sharp, add spinach, olive oil, nuts, or cheese. If it is too thick, add olive oil or a spoonful of pasta water. If it is too oily, add more greens or nuts.
Nut-Free, Dairy-Free, and Allergy Notes
Classic pesto often uses nuts and cheese, and some store-bought versions include other allergens. For nut-free pesto, use seeds only if they fit the person you are serving and the label is safe for their allergy needs. For dairy-free pesto, use extra nuts or seeds, nutritional yeast, miso, or simply more herbs and lemon for flavor. Always check labels for major allergens and cross-contact warnings.
Washing and Storage
Rinse fresh herbs and greens under running water and dry them well before blending so the pesto does not become watery. Keep pesto refrigerated in a covered container when it is not being served. For longer storage, freeze pesto in small portions and thaw only what you need.
FAQ
What is the best substitute for basil in pesto?
The best basil substitute for pesto is usually a mix of spinach and parsley, with a small amount of arugula, mint, or cilantro if you want stronger flavor.
Can spinach replace basil in pesto?
Yes. Spinach gives pesto green color and mild body, but it needs help from parsley, garlic, lemon, cheese, nuts, or another herb because it is much milder than basil.
Can parsley replace basil in pesto?
Parsley can replace basil in pesto, especially when mixed with spinach or arugula. Flat-leaf parsley tastes fresh and green but less sweet and aromatic than basil.
Can arugula replace basil in pesto?
Yes. Arugula makes a peppery pesto and can replace basil 1:1 by volume. Use less garlic or add spinach if the pesto tastes too sharp.
Can you make pesto without basil?
Yes. Pesto can be made with parsley, spinach, arugula, mint, cilantro, kale, or a blend. The sauce will not taste like classic basil pesto, but it can still work well.