Orange-Kissed Peanut Butter Bundt

6 tablespoons butter, melted
1 cup creamy peanut butter
1/2 cup orange juice
1 tablespoon orange zest
2 cups brown sugar, packed
2 eggs
1 teaspoon vanilla extract
2 cups all-purpose flour
1 1/2 teaspoons baking soda
1 teaspoon salt
1 cup buttermilk

1/3 cup creamy peanut butter
3 tablespoons orange juice
1/2 teaspoon vanilla extract
1 1/2 cups powdered sugar
1/2 cup whipped cream
Chopped peanuts, for garnish

Heat oven to 350 degrees. Generously grease and flour Bundt pan. Set aside.

In large bowl mix together butter, peanut butter, orange juice and orange zest until well combined and creamy. Beat in sugar, eggs and vanilla.

Combine flour, baking soda and salt, then stir half into peanut butter mixture. Stir in half of buttermilk. Add remaining flour and buttermilk, mixing until just blended. (Don’t overmix or cake will be tough.) Pour batter into prepared pan.

Bake 45–50 minutes or until toothpick inserted in center comes out clean. Let cool in pan for about 5–10 minutes, then remove cake from pan and let cool completely.

For frosting, beat all ingredients together to pourable consistency. Pour over cake, and sprinkle with chopped peanuts.