Pamperedu

(noun)

- the joy of pampering oneself with sweets

(adjective)
- satisfied and feeling high after indulging in a delicious dessert.

From: Pampered + 'Pain Perdu' (famous French dessert)

Sarah: OMG, Whitney! You ate all the cake. What about your diet?

Whitney: It was so delicious. Totally worth it. I feel so pamperedu.
Sarah: I bet you are! You got chocolate all over your face.