Blackberry Chocolate Chip Cookie Crumble

INGREDIENTS

16 oz

fresh blackberries

2 tbsp

all-purpose flour

1/3 cup

granulated sugar

1 tsp

freshly squeezed lemon juice

salt

1/4 cup

unsalted butter, room temperature

1/3 cup

packed light brown sugar

1 tsp

vanilla extract

1/2 cup

all-purpose flour

1/3 cup

old-fashioned oats

1/4 tsp

salt

1/2 cup

mini semisweet chocolate chips or chopped semisweet chocolate

flake sea salt (such as Maldon)