Blueberry Buckle with Lemon Sauce

¾ cup sugar
¼ cup canola oil
1 egg slightly beaten
½ cup milk
2 cups flour
2 tsp. baking powder
½ tsp. salt
1 cup blueberries

Crumb Mixture:
½ cup sugar
1/3 cup flour
½ tsp. cinnamon
¼ cup butter, softened

Grease 9x9 pan, flour lightly.
Mix together sugar, oil, egg; stir in milk.
Mix together flour, baking powder and salt; stir into sugar mixture carefully fold in blueberries. Pour into pan.
Mix together crumb mixture and sprinkle over batter.
Bake 45-50 minutes at 350.
Serve with Old Fashioned Lemon Sauce

Old Fashioned Lemon Sauce:
½ cup butter
1 cup sugar
¼ cup water
1 egg, well beaten
3 tbls. fresh lemon juice
1 tsp. lemon zest

Combine all ingredients in saucepan.
Cook over medium heat, stirring constantly, just until mixture thickens. Serve warm.