No-Bake Peanut Butter Oatmeal Sandwich Cookies – Easy, Chewy & Satisfying

By: Rabia

Recipe Card

Servings & Timing

  • Prep Time: 10 minutes

  • Chill Time: 30 minutes

  • Total Time: 40 minutes

  • Yield: 8 sandwich cookies

Nutrition (per serving): ~180 kcal

Dietary Badges:
✔ No-Bake
✔ Gluten-Free (if using GF oats)
✔ Refined Sugar-Free Option

🛒 Ingredients

For the cookies:

  • Rolled oats

  • Peanut butter (creamy or crunchy)

  • Honey or maple syrup

  • Vanilla extract

  • Pinch of salt

For the filling:

  • Peanut butter

  • Powdered sugar

👩‍🍳 Instructions

  1. In a bowl, mix oats, peanut butter, honey/maple syrup, vanilla, and salt until well combined.

  2. Shape into small cookie-sized rounds and place on a parchment-lined tray.

  3. In a separate bowl, whisk peanut butter and powdered sugar until smooth (filling).

  4. Spread filling onto the flat side of one cookie round.

  5. Top with another cookie to form a sandwich.

  6. Repeat with remaining rounds.

  7. Chill for 30 minutes before serving.

Notes:

  • Chill dough briefly before shaping for easier handling.

  • Use crunchy peanut butter for added texture.

Introduction

These No-Bake Peanut Butter Oatmeal Sandwich Cookies are a chewy, nutty treat that comes together with just a handful of ingredients—no oven required! Perfect for busy days, after-school snacks, or late-night cravings, they’re wholesome yet indulgent, with a soft oatmeal base and creamy peanut butter filling.

Step-by-Step Cooking Guide

Step 1 – Make the base
Mix oats, peanut butter, honey (or maple syrup), vanilla, and salt until the mixture sticks together. Tip: If it feels too sticky, chill it for 10 minutes before shaping.

Step 2 – Form cookies
Shape into small rounds, pressing gently for uniform size. Place on a tray lined with parchment.

Step 3 – Make the filling
Whisk peanut butter with powdered sugar until smooth and spreadable. Adjust sweetness by adding more sugar if desired.

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Step 4 – Assemble sandwiches
Spread filling on one cookie and top with another. Press gently so they hold together.

Step 5 – Chill & enjoy
Refrigerate for at least 30 minutes to set. Serve chilled for the best texture.

Ingredient Details & Substitution Tips

  • Rolled Oats: Use certified gluten-free oats if needed. Quick oats can be used but give a softer texture.

  • Peanut Butter: Creamy = smooth cookies; crunchy = more texture. For nut-free, try sunflower seed butter.

  • Honey/Maple Syrup: Honey gives a chewy sweetness, maple syrup adds a deeper flavor—use either.

  • Powdered Sugar: Helps thicken the filling. For refined sugar-free, try powdered coconut sugar or omit for a softer filling.

Variations & Serving Suggestions

  • Chocolate Dipped: Dip sandwiches halfway in melted chocolate, then chill until set.

  • Mix-Ins: Add mini chocolate chips, chopped nuts, or dried fruit to the base mixture.

  • Vegan-Friendly: Use maple syrup instead of honey and ensure your peanut butter is vegan.

  • Dessert Platter: Serve with fresh fruit and a drizzle of dark chocolate for an easy party treat.

Storage & Make-Ahead

  • Refrigeration: Store in an airtight container for up to 5 days.

  • Freezing: Freeze sandwiches for up to 1 month. Thaw at room temperature for 10 minutes before eating.

  • Make-Ahead: Shape the cookie rounds ahead and refrigerate; fill and sandwich when ready to serve.

FAQs

Q: Can I use almond or cashew butter instead of peanut butter?
A: Yes! Any nut butter works well, though flavor will vary slightly.

Q: Can I make these without powdered sugar?
A: Yes—just use plain peanut butter as filling, though it will be softer.

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Q: Do I need a food processor for the oats?
A: No, but if you prefer a smoother texture, pulse the oats a few times before mixing.

Personal Note

This is one of my favorite quick treats—minimal cleanup, no oven, and totally customizable. They’re great for road trips, lunchbox snacks, or a sweet bite with coffee. I especially love dipping them in dark chocolate when I want something extra indulgent.

👉 What’s your twist—extra chocolate, dried fruit, or straight peanut butter goodness? Share your version in the comments!

Rabia
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