INGREDIENTS
•
6 cups fresh or frozen blackberries
•
3/4 cup plus 1 tablespoon all-purpose flour
•
1/2 cup granulated sugar
•
1/2 teaspoon ground cinnamon
•
1 lemon, juiced
•
1/2 cup quick-cooking oats
•
1/3 cup chunky peanut butter
•
1/4 cup packed light brown sugar
•
6 tablespoons unsalted butter, melted
•
1/8 teaspoon kosher salt