To prepare a sweet persimmon fireside cookies recipe, first you will need to gather your ingredients. First, you'll need the following ingredients: 1 cup sweetened condensed milk 1 tablespoon vanilla extract 1 teaspoon kosher salt 1/2 teaspoon baking powder 1 tsp baking soda 14 cup rolled oats 1/2 cup confectioners' sugar Preheat the oven to 350 degrees F (180 degrees C). Grease and flour two 9x5-inch baking pans and set aside. Sift together the flour, cocoa, sugar, cinnamon, and salt. Add the dry ingredients to the wet ingredients and mix until just combined. Pour the batter into the prepared pan and bake for 12 to 15 minutes or until the edges are golden brown. Allow the cookies to cool before removing them from the pan.