Preheat oven to 375 f.

Spray an 8 x 8 x 2 baking dish with cooking spray.

Stir together sugars, cinnamon and cornstarch, place peaches in baking dish, stir in sugars and lemon juice. Cover dish with plastic wrap and microwave on high 2 mins, remove, stir and return to microwave and cook a further 2-3 mins till bubbly.(if not using microwave, place all filling ingredients in a saucepan, place over medium heat bring to a boil stirring constantly, reduce heat and simmer 2 mins. Set aside to cool)

Crust

Cut butter into small cubes. Place flour, sugar, salt and baking powder in food processor fitted with metal blade. Pulse 6 times, 1 second each. Add butter, process 10 - 20 seconds till mixture resembles small peas. Add ice water 1/2 Tbs at a time

Processing just till mixture holds together . Remove from processor, knead 2-3 times on lightly floured surface. Roll to 1/4 i inch thickness cut in 1 inch wide strips , place on top of peaches in lattice pattern, brush with cream or milk , sprinkle pastry strips with a little additional sugar. Bake in preheated oven 30 - 40 mins till light brown.

(by hand - stir together dry ingredients, cut in butter, add water till mixture comes together, proceed as above.

Can also be placed over fruit in one piece, cut hole in middle to allow steam to escape.

Serve with vanilla ice cream