In a large bowl, mix the dry cake mix, dry pudding mix, eggs, oil, water, and sour cream until well combined. Set aside.
In a small bowl mix the sugar and cinnamon. Grease 2 regular-size loaf pans and sprinkle the suagr mixture evenly on the bottom and sides of the pans.
Pour half the batter into each pan. Bake for 45 minutes. Let cool.
Combine powdered sugar, melted butter, almond extract, and vanilla. Add milk, 1 tablespoon at a time, until it's the consistency that you like.
Drizzle glaze over bread and sprinkle with chopped pistachios. Serve and enjoy!
Video
Notes
Store. Cool completely then store at room temperature, in an airtight container or bag, for 3-4 days or in the fridge for 5-7 days, or wrap with plastic wrap and aluminum foil and store in the freezer for up to 3 months.