How long does it take to make Nasturtium Microgreens Compound Butter (10-Minute Finishing Butter)?
This recipe takes approximately 10 min total.
10 min
· Serves 8
· Updated March 17, 2026
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Nasturtium microgreens are best added fresh as a finishing ingredient. Softened butter blended with peppery nasturtium microgreens and lemon zest — melt over grilled steak, fish, or warm bread.
This recipe takes approximately 10 min total.
Nasturtium microgreens work best as a fresh finishing ingredient, adding color, texture, and a just-cut flavor that stands out right before serving.
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1 stick (4 oz) unsalted butter, softened
1 cup nasturtium microgreens, finely chopped
1 lemon (zest only)
1 small clove garlic, minced
Pinch of flaky salt
Combine softened butter, nasturtium microgreens, lemon zest, garlic, and salt in a bowl.
Mix with a fork until evenly combined.
Roll into a log in plastic wrap and refrigerate 1 hour (or freeze up to 1 month).
Slice coins and place on hot steak, grilled fish, or warm bread to serve.
Nasturtium and nasturtium microgreens deliver distinctive peppery heat through glucosinolate-derived compounds — the same chemical class responsible for heat in radish and mustard microgreens. They are used as edible garnishes, flavor accents on proteins and composed plates, and as a visual element with their vivid green color.
• Nasturtium plants and microgreens contain glucosinolates and isothiocyanates — the same compound class found in brassica crops like radish and broccoli microgreens.
moderate evidence• Peppery heat intensity in nasturtium microgreens is linked to glucosinolate concentration, which varies by growing conditions and harvest timing.
moderate evidence• Nasturtium has been studied for vitamin C content in both the leaves and flowers.
limited evidence1. Assessment of Vitamin and Carotenoid Concentrations of Emerging Food Products: Edible Microgreens — Journal of Agricultural and Food Chemistry, 2012
2. Microgreens: Production, Shelf Life, and Bioactive Components — Critical Reviews in Food Science and Nutrition, 2017
Creamy hummus drizzled with olive oil and blanketed in peppery nasturtium microgreens — a stunning party appetizer that takes 15 minutes.
Orzo pasta salad with cherry tomatoes, olives, feta, and peppery nasturtium microgreens folded in at the last moment.