Oh my Deliciousness!! I can't stop eating these!!

Snickerdoodle Bars
2 1/3 C. flour
1 1/4 tsp baking powder
1/2 tsp. salt
3/4 C. butter or margarine, softened
1 1/4 C. sugar
1/2 C. packed brown sugar
3 eggs
1 tsp. vanilla

Cinnamon filling:
1 Tbsp. sugar
1 Tbsp. cinnamon

Glaze:
1 C. powdered sugar
1-2 Tbsp. milk
1/4 tsp. vanilla

Heat oven to 350. Spray or grease the bottom only of a 9x13 pan. In a small bowl, combine flour, baking powder and salt; set aside.
In large bowl, beat butter with electric mixer until creamy. Beat in sugars. Add in eggs and vanilla until combined. On low speed, beat in dry ingredients until combined.
Spoon half the batter into pan; spread evenly. Sprinkle cinnamon-sugar mixture evenly over batter. Drop teaspoon size amounts of remaining batter over cinnamon mixture.
Bake 20-25 minutes or until golden brown and done in the middle. Cool completely,about 1 hour. In a small bowl, combine the glaze ingredients until smooth and thin enough to drizzle. Drizzle over bars, cut into bars and enjoy!