Peanut Butter Sheet Cake

Ingredients

• 2 cups all-purpose flour
• 2 cups sugar
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup water
• 3/4 cup butter, cubed
• 1/2 cup chunky peanut butter
• 1/4 cup canola oil
• 2 large eggs, room temperature
• 1/2 cup buttermilk
• 1 teaspoon vanilla extract
• GLAZE:
• 2/3 cup sugar
• 1/3 cup evaporated milk
• 1 tablespoon butter
• 1/3 cup chunky peanut butter
• 1/3 cup miniature marshmallows
• 1/2 teaspoon vanilla extract