10 peaches, peeled, pitted, and sliced into about 8 wedges each
¼ cup packed light brown sugar
½ teaspoon kosher salt
¼ cup all-purpose flour
2 teaspoons ground cinnamon
1 teaspoon ground ginger
1 cup old fashioned oatmeal
1 cup all-purpose flour
¾ cup packed light brown sugar
1/3 cup granulated sugar
1 teaspoon cinnamon
½ teaspoon kosher salt
¾ cup pecans, coarsely chopped
1 stick cold unsalted butter, cut into cubes