Quick answer: Creamy oatmeal cookie milkshake with vanilla ice cream and chewy oats—a dessert drink that tastes like breakfast in a glass!

By Mara Voss · Updated July 23, 2026

Oatmeal Cookie Milkshake

This Oatmeal Cookie Milkshake is like sipping on your favorite cookie—but cold, creamy, and utterly indulgent. The chewy oats blend perfectly with vanilla ice cream for a texture that’s thick enough to eat with a spoon. I first made this for my niece after she begged for a ‘cookie drink,’ and now it’s our secret weekend treat.

Recipe Information

• Prep Time: 5 minutes
• Total Time: 10 minutes
• Servings: 2
• Calories: 420 per serving
• Difficulty: beginner

Why You’ll Love This Recipe

• Ready in 10 minutes – Perfect for a quick sweet treat.
• Tastes like dessert for breakfast – A nostalgic flavor combo.
• Uses simple pantry staples – No fancy ingredients needed.
• Thick, spoonable texture – Almost like a soft-serve dessert.
• Kid-approved and nostalgic – A crowd-pleaser for all ages.

Background

Oatmeal cookies have been a comfort-food staple since the 1800s, but blending them into a milkshake adds a modern twist. The warmth of cinnamon and brown sugar pairs magically with cold ice cream.

Ingredients

Makes 2 generous servings.

• 2 cups vanilla ice cream
• ½ cup rolled oats
• 1 cup whole milk
• 2 tbsp brown sugar
• ½ tsp cinnamon
• ¼ tsp vanilla extract
• 4 oatmeal cookies (crumbled for topping, optional)

Equipment

• Blender
• Measuring cups and spoons
• Tall glasses
• Straws

Instructions

1. Add ice cream, oats, milk, brown sugar, cinnamon, and vanilla to a blender. Tip: For extra thickness, freeze the glass beforehand.

2. Blend on high until smooth and creamy, about 45 seconds. Tip: Stop to scrape down sides if needed.

3. Pour into glasses and top with crumbled oatmeal cookies. Tip: Add a drizzle of caramel for extra decadence.

Tips for the Best Oatmeal Cookie Milkshake

• Soak oats in milk for 10 minutes first – For a smoother texture.
• Use frozen bananas instead of ice cream – For a healthier twist.

Variations

Make It Your Own

• Vegan Version: Swap ice cream for coconut milk ice cream and use almond milk.
• Protein Boost: Add a scoop of vanilla protein powder for a post-workout treat.

Dairy-Free Version

Use dairy-free vanilla ice cream and oat milk instead of whole milk.

Protein Version

Blend in a scoop of vanilla or cinnamon protein powder for an extra protein kick.

Serving Suggestions

Serve with a cinnamon-sugar rim and a cookie straw for dipping.

Storage

Best enjoyed immediately. Leftovers can be frozen for up to 1 day (thaw slightly before re-blending).

Nutrition

Nutrient	Per Serving
Calories	420
Protein	8g
Fat	16g
Carbs	62g

| Sugar | 42g |

Frequently Asked Questions

Can I make this ahead?

Blend just before serving for best texture.

Can I freeze it?

Yes, but it’ll thicken—stir in a splash of milk when reheating.

How do I make it dairy-free?

Use dairy-free ice cream and oat milk.

What’s the best texture tip?

Blend longer for smoother oats, or pulse for chewiness.

Conclusion

This milkshake proves cookies and cream belong in a glass—especially when they taste like grandma’s oatmeal cookies. Whip it up for a sweet start to your day or a nostalgic dessert.

mara Voss