INGREDIENTS
1 1/2 cups
all-purpose flour
3/4 cup
sugar
1/2 tsp
salt
2 tsp
baking powder
1/3 cup
vegetable oil
1
large egg
1/3 cup
milk
1 cup
fresh rhubarb, (diced)
1/4 cup
walnuts, (finely chopped (plus more for garnish))
1/2 cup
sugar
1/3 cup
all-purpose flour
1/4 cup
butter, (cold, cubed)
1 1/2 tsp
ground cinnamon
1 cup
confectioner's sugar
2 tbsp
milk