An illustrated graphic of the Buffin Muffin Mystery Flavor with a question mark labeled Day One. Nutrition: 434 calories, 24g protein, 53g carbs, 14g fat, 2g fiber. Flavor hint: creamy and nostalgic with sweet cereal and white chocolate notes.
Nutrition label for Buffin Muffin Mystery Flavor displays 434 calories per serving, ingredients, allergen info, nutrition facts, and preparation instructions on a white and yellow background.
Buffin Muffin Mystery Flavor, Day 2: Illustration shows a cupcake with a question mark. Contains tree nuts hazelnut. Nutrition: 459 calories, 25g protein, 56g carbs, 15g fat, 2g fiber. Flavor hint: chocolate and hazelnut.
Nutrition label for Buffin Muffin Mystery Flavor, featured in a limited-time event. Each 5oz 141g muffin contains 459 calories and tree nuts hazelnut. Full ingredients and allergen info provided.
A graphic with a Buffin Muffin Mystery Flavor cupcake topped by a question mark and the text Day 3. Nutrition: 449 cal, 25g protein, 58g carbs, 13g fat, 2g fiber. Flavor hint: chocolate mint—fudgy and refreshing.
Nutrition facts and ingredients for Buffin Muffin Mystery Flavor: 1 muffin has 449 calories, 25g sugar, 13g fat, 25g protein. Contains wheat, milk, soy, eggs, and other common allergens. Limited-time event item.
Buffin Muffin Mystery Flavor, Day 4: 405 calories, 22g protein, 50g carbs, 13g fat, 1g fiber. Experience warm spiced sweetness with carrot notes and a creamy bakery-style finish.
Nutrition label for Buffin Muffin Mystery Flavor, featuring 405 calories per serving, full ingredients list, allergen info, and nutrition facts. “Mystery Flavor Day Four” logo spotlights this limited-time offering.
The Day 5 Buffin Muffin Mystery Flavor graphic shows a cupcake with a question mark. It has 431 calories, 24g protein, 50g carbs, 15g fat, and 2g fiber. Contains coconut. Flavor hints: chocolate, caramel, toasted coconut.
Nutrition label for Buffin Muffin Mystery Flavor shows 431 calories per serving, ingredients, allergen info contains coconut tree nuts, and nutrition facts. Image displays a mystery muffin and the Buffin logo.

Buffin Muffin Mystery Flavor

Shop Now

Our Buffin Secret Menu Mystery Week runs May 11 through May 15, with one mystery muffin unlocking each day as part of a limited-time secret menu event shared through Instagram Stories and swipe links.

You can expect a mix of throwback-style drops and surprise releases, with the biggest mystery reveal saved for Day 5.

To join in, shop on the website, start a new cart, add at least $50 in items, then use the popup to add a mystery muffin to your order, with limited stock and up to 3 adds max from the popup only.

Must be refrigerated. Can freeze up to 3 months.

Shipping costs $19.99 or $29.99 depending on your location and special packaging. Some states require 2-day shipping. If ground shipping isn’t shown, it may be due to your location or timing. Orders process within 24-48 hours before shipping.

A color-coded U.S. map shows shipping schedules by state for a business, with zones for 1-day, 2-day, and ground delivery. A chart lists order cutoff times and expected ship dates. Text explains shipping methods and processing times.
Choose Another Category
All Meals
All Meals
A La Carte
A La Carte
Buffin Muffins
Buffin Muffins
Meal Prep Plans
Meal Prep Plans
Healthy Snacks
Healthy Snacks
Dairy Free
Dairy Free
Gluten Free
Gluten Free
Low Carb
Low Carb
Vegan Friendly
Vegan Friendly
Vegetarian
Vegetarian
Keto Friendly
Keto Friendly
Breakfast Options
Breakfast Options
Lunch Options
Lunch Options