These are AWESOME cookies but a tad spicy. Since they are for little kids, maybe you could reduce/omit the pepper? I never freeze dough, so I'm of no help on that score :)
Moravian Spice Cookies
1 1/2 c All-purpose flour
1 tsp. baking powder
1. tsp. ground cinnamon
1 tsp. ground ginger (you can use root ginger if you don't have the powdered stuff, it just comes out hotter)
1 tsp. ground white pepper
1/2 tsp. ground cloves
1/2 tsp. baking soda
1/2 tsp. salt
1/4 c. packed light brown sugar
6 Tbsp. butter, soft
1/2 c. mild molasses
Preheat oven to 350. Grease cookie sheet.
Combine flour, baking powder, cinnamon, ginger, white pepper, cloves, baking soda, and salt. Set aside.
Mix at low speed - brown sugar with butter until blended.Increase speed to high and beat until creamy.
At medium speed, beat in molasses until blended.
With spoon, stir in flour mixture. Drop dough by rounded teaspoons - with fingers, press each into 2" rounds on cookie sheet.
Bake 8-10 minutes. Leave on sheet about 3 minutes before transferring.