Preheat oven to 350 degrees.
Line an 8-x-8-inch baking pan with aluminum foil to avoid bars sticking to the pan.
Spray with nonstick spray. Set aside.
Cream together butter and sugar, about 1-2 minutes.
Add salt, eggs, and vanilla and stir until fully mixed.
Add flour and baking powder and mix until just combined.
Reserve ½ cup of dough.
Press remaining dough onto the tin foil in prepared baking pan.
Top with strawberry pie filling.
Drop remaining batter in small pieces over the cherry filling.
Place in the oven and bake for 50-60 minutes or until it turns golden brown.
Remove from the oven. Cool completely.
Once cool, make glaze.
Whisk together powdered sugar and milk until smooth.
Drizzle over bars and cut into squares.
Serve immediately.