Vegan paczki. Jelly-filled paczki with peanut butter on top. Churros toast crunch paczki. Variations on the beloved paczek has become a long way over the years, including coneys served on paczki buns. Fat Tuesday, a mere few days away, is paczki-palooza time. It's the day to indulge in the yeasty, fat-laden pastries that are a metro Detroit favorite. It's the day before Ash Wednesday, which marks the beginning of the Lenten season, a time of discipline and fasting for many area Christians. While you will find traditional and jam-filled varieties at most bakeries and grocery stores, some places put different twists on pastries.