Heat oven to 350°F. Grease bottom and sides of 13x9-inch glass baking dish with 1 tablespoon of the butter. Place 3 tablespoons of the cinnamon sugar in large resealable food-storage plastic bag.
Separate dough into 20 biscuits; cut each into quarters. Place in bag with cinnamon sugar; shake to coat. Arrange pieces in dish; sprinkle with coconut.
Measure 1/2 cup of the condensed milk in small microwavable measuring cup; set aside. Pour remaining condensed milk into medium bowl. Add eggs, 1 teaspoon of the vanilla and almond extract; beat with wire whisk until well blended. Spoon over biscuit pieces; sprinkle with almonds and remaining 1 tablespoon cinnamon sugar.
Bake 30 to 35 minutes or until golden brown. Cool on cooling rack 20 minutes.
Meanwhile, add remaining 1 tablespoon butter and chocolate chips to reserved condensed milk. Microwave on High 30 to 45 seconds or until chips are melted; stir until smooth. Stir in remaining 1/2 teaspoon vanilla.
To serve, cut into 15 squares. Place on individual plates; drizzle scant tablespoon chocolate mixture over each serving. Garnish with mint. Serve warm.