Use a hand-mixer to cream together the butter and sugar in a large bowl until light and fluffy.
Zest the oranges into the batter and beat with a mixer until incorporated.
Beat in the eggs, one at a time, until incorporated.
Beat in the vanilla extract.
In a medium bowl, whisk together the flour, baking soda, and salt.
Alternate adding the yogurt and the dry ingredients, beating between each addition, until all ingredients are incorporated.
Use a spatula to fold the craisins and the mini chocolate chips into the batter until thoroughly mixed in.
Pour the orange craisin chip pound cake batter into the prepared loaf pan, making sure the batter is distributed evenly.
Thump loaf pan on counter to get air bubbles out, then bake the orange craisin chip pound cake at 325F for 50-60 minutes, or until a toothpick inserted into the center of the cake comes out clean.
Let cool in pan for 10-15 minutes, then turn out cake onto wire rack. Let cake cool completely before decorating.