Peach Crisp Recipe with Fresh Peaches

cornstarch

granulated sugar ((50g))

brown sugar

medium peaches (cut into 1/4-inch-thick slices)

vanilla extract

fresh lemon juice

pure almond extract

old-fashioned oats ((90g))

brown sugar packed ((110g))

unsalted butter softened ((115g))

all-purpose flour ((40g))

ground cinnamon

salt