Caramel Toffee Crunch Cake

Ingredients

• 2 1/2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup unsalted butter, softened
• 1 1/2 cups granulated sugar
• 3 large eggs
• 1 teaspoon vanilla extract
• 1 cup sour cream
• 1/2 cup toffee bits
• 1/2 cup caramel sauce
• 1/4 cup heavy cream
• 1/2 cup chopped pecans or walnuts
• 1/2 cup chocolate chips