Easter Mini Egg Cupcakes

Cupcakes:

• 1 1/3 cups all-purpose flour
• 1 1/2 tsp baking soda
• 1/2 tsp kosher salt
• 3/4 cup granulated sugar
• 1/2 cup unsalted butter at room temperature
• 1/2 cup Greek yogurt
• 1 large egg room temperature
• 1 large egg yolk
• 1 tbsp vanilla bean paste, powder or beans from 2 pods, unsure about extract

Frosting:

• 1 cup unsalted butter at room temperature
• 3-4 cups confectioners sugar aka icing sugar
• 1 tbsp vanilla bean paste, powder or beans from 2 pods, unsure about extract
• 1/2 tsp kosher salt
• 2 tbsp whipping cream
• 36 Cadbury Mini Eggs optional