MilkShake Mixer
Mix and share your perfect shake!
🍦 Cook Out Shake Mixer
Mix & match 2–3 flavors to create your dream shake!
Pick Your Flavors
🎉 Your Custom Shake
At the drive-thru, say: "I'd like a half-and-half milkshake — [flavor 1] and [flavor 2]."
Frequently Asked Questions
How many flavors can I mix in a Cook Out milkshake?
Cook Out lets you combine two flavors in one shake (half and half) at no extra charge. Some locations will blend a third flavor if you ask — our mixer supports up to 3 slots so you can plan your dream combo.
What are the best Cook Out milkshake combinations?
Fan favorites include Banana Pudding + Cheesecake, Chocolate + Peanut Butter Fudge, Oreo Mint + Vanilla, and Strawberry + Fresh Banana. Use the mixer above to build and share yours.
How much is a Cook Out milkshake?
Every Fancy Milkshake is $3.99. Upgrade any Cook Out Tray drink for just $1.60 — one of the best shake deals in fast food.