Tangy Rhubarb Fool

Ingredients (8)

• 4 cups (32 ounces) plain yogurt
• 3 cups chopped fresh or frozen rhubarb
• 3/4 cup sugar, divided
• 2 tablespoons water
• 1 teaspoon white balsamic vinegar
• Dash salt
• 1 cup heavy whipping cream
• 1/8 teaspoon vanilla extract