Preheat oven to 400°
In a stand mixer, add egg and beat slightly
Add vanilla, softened butter, sugar, and cream on low until combined
Add milk
Slowly add flour and baking powder a little at a time. Mix only enough to combine ingredients.
Take bowl off mixer and add raspberries and white chocolate. Gently fold into batter
Spoon mixture into greased muffin tin or paper liners in tin.
Bake for 18-20 minutes or until tops are fully risen and golden brown.
Check for doneness by inserting a toothpick in the center. Toothpick should come out clean.