Best Substitutes for Rocket
Rocket (also called arugula in the US) brings sharp, peppery bite and tender texture to salads, sandwiches, and cooked dishes. Its flavor intensifies as the leaves age, ranging from mildly nutty in baby rocket to aggressively peppery in mature leaves. The leaves wilt quickly when heated, making them perfect for warm salads or stirring into pasta at the last minute. Unlike mild greens, rocket's assertive flavor can overpower delicate ingredients, but it pairs perfectly with rich cheeses, grilled meats, and sweet elements like figs or balsamic. When substituting, you need to match both the texture (tender but not mushy) and the peppery punch that makes rocket distinctive.
Best Overall Substitute
Watercress at a 1:1 ratio. It delivers the same sharp, peppery bite with slightly more mineral notes and identical tender texture. The leaves are smaller but you can use the same volume. Raw watercress tastes almost identical to rocket in salads and sandwiches.
All Substitutes
Watercress
1:1 by volumeWatercress has the closest flavor profile to rocket with its sharp, peppery heat and slight bitterness. The leaves are smaller and more delicate, but they provide the same textural contrast in salads. Watercress actually has more vitamin C and iron than rocket. It wilts just as quickly when exposed to heat, making it perfect for warm salads or last-minute pasta additions. The stems are edible and add extra crunch, unlike rocket stems which can be tough.
Baby spinach
1:1 by volume plus 1/4 teaspoon black pepper per 2 cupsBaby spinach provides the tender texture but lacks rocket's peppery bite entirely. Adding cracked black pepper or a pinch of white pepper per serving compensates for the missing heat. Spinach wilts faster than rocket when heated, so add it at the very end of cooking. The flavor is much milder and slightly sweet, making it better for dishes where rocket might be too aggressive. Iron content is higher than rocket, but vitamin K is lower.
Mizuna
3/4 cup mizuna per 1 cup rocketMizuna delivers a milder peppery flavor with a slight mustard edge. The leaves are more feathery and delicate than rocket, so you need slightly less volume to avoid overwhelming the dish. It holds up better to dressing than rocket and doesn't wilt as quickly. The flavor is more complex with hints of horseradish, making it interesting in Asian-inspired dishes. Use less because the leaves are more substantial per piece than rocket's simple oval shape.
Mustard greens (baby)
1/2 cup baby mustard greens per 1 cup rocketBaby mustard greens pack serious heat, much more than rocket. They provide sharp, spicy flavor with bitter undertones. Use half the volume because they're more intensely flavored and the leaves are usually larger. The texture is slightly tougher than rocket, so they work better in cooked applications or massaged salads. They pair excellently with fatty ingredients like bacon or cheese that can handle the aggressive flavor. Mature mustard greens are too tough and bitter for direct substitution.
Frisée (curly endive)
3/4 cup chopped frisée per 1 cup rocketFrisée provides bitterness rather than peppery heat, but it delivers similar sharp flavor contrast in salads. The texture is crunchier and more substantial than rocket's tender leaves. Chop it roughly before using since the natural pieces are larger. It doesn't wilt when heated, making it better for warm salads that need to hold their structure. The pale yellow center leaves are milder than the darker green outer ones. Works especially well with bacon, eggs, and warm vinaigrettes.
How to Adjust Your Recipe
When substituting rocket, add the replacement at the same point in the recipe unless it's more delicate (like baby spinach, which should go in 30 seconds later) or sturdier (like frisée, which can go in earlier). For salads, dress substitutes just before serving since most alternatives wilt faster than rocket. In cooked dishes, reduce cooking time by 30-60 seconds for more delicate greens. If your substitute lacks peppery heat, add 1/8 teaspoon white pepper or 1/4 teaspoon black pepper per 2 cups of greens. For warm preparations, preheat the serving plates to prevent wilting.
When Not to Substitute
Don't substitute rocket in pesto recipes where its specific flavor is the star. Traditional rocket pesto relies on the exact balance of peppery bite and slight bitterness that no other green replicates. Also avoid substitutions in dishes where rocket is the main ingredient (like rocket and parmesan salad) rather than a supporting player. The flavor difference will be too obvious. Rocket pizza from Neapolitan restaurants specifically showcases the green's unique taste and shouldn't use alternatives.
Frequently Asked Questions
Can I use regular spinach instead of baby spinach as a rocket substitute?
Regular spinach works but needs extra prep. Remove thick stems and chop large leaves into 1-inch pieces. The flavor is earthier and the texture chewier than baby spinach. Add 1/2 teaspoon black pepper per 3 cups of regular spinach to approximate rocket's heat. It wilts much faster than rocket when heated, so add it in the final 15-20 seconds of cooking.
How do I make mild greens taste more like rocket?
Add heat and bitterness gradually. Start with 1/4 teaspoon white pepper and a pinch of mustard powder per 2 cups of greens. Taste and adjust. A few drops of hot sauce or 1/8 teaspoon horseradish powder also works. For salads, use a more acidic dressing with extra lemon juice or vinegar to mimic rocket's sharp edge.
What ratio of mixed greens works as a rocket substitute?
Use 50% baby spinach, 25% watercress, and 25% frisée for 1:1 replacement by volume. This blend provides rocket's tender texture (spinach), peppery heat (watercress), and slight bitterness (frisée). Pre-mix the blend and store for up to 3 days. The combination works better than any single green for matching rocket's complex flavor profile.
Can I grow rocket substitutes at home more easily?
Mizuna and baby spinach are much easier to grow than rocket. Mizuna tolerates heat better and produces for 8-10 weeks vs rocket's 4-6 weeks before bolting. Plant every 2 weeks for continuous harvest. Baby spinach grows in cooler weather when rocket struggles. Both need 30-40 days from seed to harvest, same as rocket.