Brown Butter Pistachio Muffins

Bahan-bahan (12 porsi)

• 1/2 cup (1 stick / 113g) unsalted butter, divided
• 1 3/4 cups (220g) all-purpose flour, divided
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup (180g) granulated sugar, divided
• 2 large eggs, at room temperature
• 1/2 cup (120g) sour cream or plain Greek yogurt
• 1/4 cup (60ml) milk
• 2 teaspoons vanilla extract
• 1 + 1/2 cups (180g) unsalted shelled pistachios
• ~1/2 cup Pistachio Cream, store-bought or homemade, frozen into 2-teaspoon portions (see notes)