Clean and dice strawberries. Place in small bowl. Set aside.
Preheat oven to 350 degrees F.
In a large mixing bowl, cream butter and sugar until fluffy.
Add egg, 2-3 Tablespoons lemon zest, and lemon juice
Mix well.
In a separate bowl, whisk together flour, baking powder and salt.
Slowly add dry ingredients to batter just until combined.
Fold in strawberries.
Put dough into prepared 9 x 9 baking pan and spread to the edges with a large spoon.
Bake 35 - 40 min. until golden on top and knife inserted in center comes out clean.
Dust with powdered sugar if desired
