02In a small saucepan, bring the orange juice, lemon juice, and sugar to a simmer, over medium-low heat. Stir until the sugar has dissolved, about 2 to 3 minutes. Add the blueberries and strawberries and simmer until the fruit softens, about 6 to 8 minutes. Cool the syrup to room temperature.03Combine all the ingredients in a medium bowl. Mix well.04To serve: Divide the ricotta mixture between 4 decorative dessert bowls. Spoon the fruit syrup over the ricotta and top with the croutons. Garnish with the sliced mint.05Place the sugar in the bowl of a food processor. Using a paring knife, slice the vanilla bean in half, lengthways, and scrape out the seeds. Add the vanilla seeds to the sugar. Pulse 10 to 15 times until the vanilla and sugar are combined. Cut the empty vanilla pod into 1-inch pieces and place in a glass mason jar. Add the vanilla sugar to the jar and seal. Shake the jar before using.