Oatmeal Stout Cake

Ingredients

• 1 cup rolled oats
• 1 1/4 cups oatmeal stout beer or 1 1/4 cups other stout beer
• 1/2 cup butter, room temperature
• 1 cup packed brown sugar
• 1 cup granulated sugar
• 2 large eggs
• 1/2 teaspoon vanilla extract
• 1 teaspoon finely grated orange zest
• 1 1/2 cups flour
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 teaspoon cinnamon
• 1/2 teaspoon freshly grated nutmeg
• Topping
• 4 tablespoons butter, softened
• 1/2 cup packed brown sugar
• 1/4 cup sweetened condensed milk
• 1/2 cup rolled oats
• 1/2 cup lightly toasted pecans or 1/2 cup walnuts