In a medium saucepan, stir together peaches, brown sugar, water, and spice. Bring to boiling, stirring to combine; reduce heat. Simmer, uncovered, for 4 to 5 minutes or until thickened. Gently stir in blueberries. Remove from heat. Cover and let stand for 5 minutes. Spoon into dessert dishes. Sprinkle each with cookies.