Heat oven to 400°F. Line baking sheets with parchment paper; set aside.
Beat the butter and sugar with an electric mixer until creamy. Add the eggs and vanilla and beat just until incorporated.
In a separate bowl, stir together the flour, cream of tartar, cinnamon, baking soda and salt. Add the flour mixture to the butter mixture and stir until blended. Divide dough in half; place in separate bowls.
Add molasses to one bowl of dough and stir until it's mixed in. Combine 1/4 cup flour, ginger and cloves and add to the molasses dough, stirring until well mixed
Twist 3/4-inch pieces of each dough together; roll into about 1 1/4-inch balls, creating a marbled effect. Roll balls in sugar.
Place, 2 inches apart, onto prepared baking sheets. Bake 8-10 minutes or until edges are light golden brown. Cool 2 minutes on baking sheet; transfer to cooling rack.