Moist Pistachio Cake From Scratch (No-Dye!)

Ingredients

• 1 ¼ cups shelled raw pistachios (unsalted)
• 2 cups water
• ½ cup whole milk (warmed)
• Cooking spray
• 1 ¼ cups all-purpose flour
• ¾ cup granulated sugar
• 1 teaspoon baking powder
• ¼ teaspoon baking soda
• ½ teaspoon salt
• ½ cup olive oil
• 2 large eggs
• ½ cup Greek yogurt
• 1 teaspoon vanilla extract
• 4 ounces cream cheese (softened)
• 4 tablespoons unsalted butter (softened)
• 2 cups powdered sugar
• 1 teaspoon rose water (or vanilla extract)
• Pinch of salt