Homemade Pistachio Paste Recipe

Ingredients (6)

• 9 ounces whole, raw pistachios, blanched and peeled; see note (about 2 cups; 255g)
• 10 ounces powdered sugar, preferably organic; more information here (about 2 1/2 cups; 280g)
• 1/2 teaspoon (2g) Diamond Crystal kosher salt; for table salt, use about half as much by volume or the same weight
• 1/4 teaspoon orange flower water, such as Cortas
• 2 ounces roasted pistachio oil, such as La Tourangelle (shy 1/3 cup; 55g)
• 2 ounces water, optional (1/4 cup; 55g)