Single-Serve Monster Cookies

Sometimes, you just need a cookie. Not a dozen, not a tray, but a single, warm, gooey cookie that’s all yours. That’s exactly what these Single-Serve Monster M&M Cookies deliver. They’re quick, easy, and satisfy those sweet cravings without any leftovers—or sharing—required.

These cookies are soft in the center with just enough crisp around the edges, loaded with colorful M&Ms, a touch of peanut butter, and a hint of oats for a little texture. The recipe makes two cookies, so it’s perfect for a solo treat, a cozy night in, or even a mini baking session with a friend.

I love making these when I want something indulgent but don’t feel like committing to a full batch. In less than 20 minutes, you’ll have fresh, warm cookies ready to enjoy straight from the oven—perfect for pairing with a cup of coffee or a glass of milk.

These Single-Serve Monster M&M Cookies are proof that sometimes less is more. Small batch, big flavor, and instant happiness—what’s not to love?

Single-Serve Monster M&M Cookies (Makes 2 cookies)

Ingredients:

• 3 tbsp unsalted butter, melted
• 1/4 cup light brown sugar
• 1 tbsp granulated sugar
• 1 egg yolk, room temperature
• 1/4 tsp vanilla extract
• 7 tbsp all-purpose flour
• 1/8 tsp baking soda
• Pinch of salt
• 2–3 tbsp M&Ms
• 1 tbsp peanut butter
• 1 tbsp oats

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Method

1. Preheat oven to 350°F (175°C) and line a small baking tray with parchment.
2. In a small bowl, mix the melted butter with both sugars until smooth and creamy.
3. Stir in the egg yolk and vanilla extract until fully combined.
4. Add flour, baking soda, and salt, mixing just until the dough comes together.
5. Fold in the M&Ms, peanut butter, and oats.
6. Divide the dough into two balls and place on the prepared tray.
7. Bake for 12–13 minutes, until the edges are set but the centers remain soft and gooey.
8. Allow cookies to cool slightly, then dig in while they’re warm for the ultimate cookie experience.