Mini Holiday Bundt Cakes

How festive are these Mini Holiday Bundt Cakes! They’re perfect for gifting or enjoying.
INGREDIENTS
3/4 cup unsalted butter, softened
1 1/2 cup granulated sugar
3 large eggs
1 1/2 cups cake flour
1 tsp. baking soda
1/2 tsp. salt
1/2 cup sour cream
2 tsp. vanilla extract, divided
1 cup confectioner’s sugar, sifted
2-3 Tbsp. milk, divided
Food coloring green, red or other desired colors