INGREDIENTS
2 1/2 sticks
unsalted butter (1 1/4 cups)
chocolate wafer cookies (to make about 3 cups crumbs)
1/4 cup
light brown sugar
1/2 tsp
fine sea salt, plus a pinch
2
ripe bananas, mashed
2
large eggs
1 1/2 cups
dark brown sugar
2 tbsp
dark rum or 1 teaspoon vanilla extract
1 cup
all-purpose flour