American · Baking

Monster Cookies

Chewy, oversized cookies made with peanut butter and oats, and packed with candy-coated chocolates and chocolate chips. Traditionally made without flour.

Not yet ratedThis recipe has no ratings yet 27 min total Serves 24 servings Easy
Jump to Recipe Method

How to Make Monster Cookies

Tap a step to highlight it, or turn on Cook Mode for large type and step-by-step focus.

  1. Heat the oven to 175°C / 350°F and line two baking trays with baking paper.

  2. Beat the peanut butter, butter, brown sugar and caster sugar for 2 minutes, until smooth and creamy. Beat in the eggs and vanilla.

  3. Stir in the bicarbonate of soda and salt, then the oats, until evenly mixed.

  4. Fold in the candy-coated chocolates and chocolate chips.

  5. Scoop 24 mounds of about 50 g onto the trays, 5 cm apart, and press each down slightly.

  6. Bake for 11 to 12 minutes, until the edges are set and the centres still look soft. Cool on the tray for 5 minutes, then move to a wire rack.

Tips for Making Monster Cookies

  • Take them out while the centres are soft. The cookies set as they cool, and they turn hard and dry if they are baked until firm.
  • Use regular oats and not instant. They hold their shape and give the cookies a hearty chew.
  • Fold in the candies last and do not overmix. It keeps the colours bright, and they do not smear into the dough.

What to Serve with Monster Cookies

  • Cold milk
  • Vanilla ice cream
  • Hot coffee

Storing & Reheating Monster Cookies

Keep in an airtight container at room temperature for up to 4 days. Freeze the baked cookies for up to 3 months, or freeze scooped dough balls and bake from frozen for 14 minutes.

Monster Cookies FAQ: Common Questions

How long does Monster Cookies take to make?

About 27 minutes in total — 15 minutes of preparation and 12 minutes of cooking. The recipe serves 24.

What are the key tips for making Monster Cookies?

Take them out while the centres are soft. The cookies set as they cool, and they turn hard and dry if they are baked until firm. Use regular oats and not instant. They hold their shape and give the cookies a hearty chew. Fold in the candies last and do not overmix. It keeps the colours bright, and they do not smear into the dough.

What should I serve with Monster Cookies?

Cold milk; Vanilla ice cream; Hot coffee.

Can Monster Cookies be made ahead or frozen?

Keep in an airtight container at room temperature for up to 4 days. Freeze the baked cookies for up to 3 months, or freeze scooped dough balls and bake from frozen for 14 minutes.

Is Monster Cookies suitable for a special diet?

This recipe is vegetarian. Those labels are checked against the ingredient list, so a dish is only marked when nothing in it contradicts the claim.

How many calories are in Monster Cookies?

About 228 kcal per serving, with 5 g protein, 25 g carbohydrate and 12 g fat. The figures are calculated from the ingredient list and are an estimate.

Monster Cookies Nutrition

Per serving, calculated from the ingredient list. Treat these as an estimate — brands and cuts vary.

228Calories
5gProtein
25gCarbs
12gFat
2gFibre
16gSugar
190mgSodium

Reader Reviews

Cooked this? Leave a review

Your rating out of 5

Reviews are stored in your browser only — nothing is sent to a server.

Written and tested by Turab

One person, one kitchen — no test kitchen, no team. How every recipe on this site is checked before it goes up.