The Only Chocolate Chip Bundt Cake You Need !

Ingredients

• 1 cup unsalted butter (softened)
• 1 ½ cups granulated sugar
• 1/2 cup light brown sugar (packed)
• 2 Tbsp. vegetable oil
• 3 cups cake flour (spooned and leveled)
• 2 Tbsp. cornstarch
• 1 ½ tsp. baking powder
• 1 tsp. kosher salt (or ½ tsp. fine salt)
• 3 eggs (room temperature)
• 1 large egg yolk (room temperature)
• 1 Tbsp. vanilla extract
• 3/4 cup whole milk (room temperature)
• 1 cup sour cream (room temperature)
• 1 cup mini chocolate chips (plus more for garnish, optional)
• 2 tsp flour
• 2-3 Tbsp. shortening (to grease bundt pan)
• 2 Tbsp. flour
• 1/4 cup granulated sugar
• 1/4 cup filtered water
• 1 tsp. vanilla extract
• 1 cup powdered sugar (sifted if needed)
• 3 Tbsp. heavy cream
• 1 tsp. vanilla bean paste
• pinch of salt