Seedless Blackberry Cobbler
["2 c. blackberry juice", "1/2 tsp. vanilla", "1 c. sugar", "4 Tbsp. cornstarch", "1/4 c. water"]
["Heat juice, vanilla, and sugar until hot. In small bowl, mix cornstarch in water and stir until smooth. Add to hot juice and cook until thick. Remove from heat and prepare sweet dough."]
["blackberry juice", "vanilla", "sugar", "cornstarch", "water"]