Marbles(Cookies)

Directions

1. 1
   Heat oven to 300°.
2. 2
   Have ungreased cookie sheet(s) ready.
3. 3
   Mix flour, baking powder and salt in medium bowl.
4. 4
   In large bowl, mix sugars with mixer.
5. 5
   Add butter and beat just until blended.
6. 6
   With mixer on medium, add egg, sour cream and vanilla; beat until pale and fluffy, about 2 minutes.
7. 7
   Add flour mixture at low speed until blended.
8. 8
   Do not overmix.
9. 9
   Melt chocolate chips in double boiler, stirring, until smooth.
10. 10
    Cool chocolate a few minutes; pour over cookie batter.
11. 11
    Use a wooden spoon or rubber spatula, fold chocolate into dough; don't mix completely.
12. 12
    Drop dough by rounded tablespoonfuls 2 inches apart on ungreased cookie sheet (s).
13. 13
    Bake 23 to 25 minutes.
14. 14
    Do not let brown.
15. 15
    Immediately transfer cookies with a broad spatula to a cool flat surface.