Nia Froome, founder of Mamma Nia’s Vegan Bakery, has won a young entrepreneur award and will meet President Obama later this month. Ms. Froome continues the trend of wowing sweets lovers with tasty baked goods that are dairy-free. Back in June, Chloe Coscarelli stunned the pastry world by winning the Food Networks cupcake contest competing against conventional pastry chefs.