Strawberry Rhubarb Coffee Cake

Mom making coffee cake although this doesn't look much like her!

Mom found this recipe for Strawberry-Rhubarb coffee cake and made it for the first time today.  It is very good so here is the recipe.

Filling:

2/3 cup sugar

1/3 cup corn starch

2 cups chopped rhubarb

10 oz froz sliced strawberries

2 tbsp lemon juice

Cook until thickened (2 min), remove from heat, add lemon juice and let cool

Cake:

3 cups plain flour

1 cup sugar

1 tsp baking powder

1 tsp baking soda

1 cup cold butter

1 cup buttermilk

1 tsp vanilla

Topping-optional.  Rather than this topping you might try some chopped nuts

3/4 cup sugar

1/2 cup flour

1/4 cup butter

Spoon 2/3 of the batter into a 9 x 13 inch pan, then put in the filling and then remaining batter.  Sprinkle over the topping.

Bake at 350 degrees F for 45 to 50 min.