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Easy 4 Ingredient Peanut Butter Fudge (The Sweetest No-Bake Treat for Valentine’s Day)

This easy 4 ingredient peanut butter fudge was such a hit at our house — like, disappeared-before-it-even-set kind of hit. It’s rich, creamy, perfectly sweet, and honestly dangerous to keep in the fridge if you have no self-control (hi, it’s me).

If you’re looking for a quick Valentine’s Day treat for your sweetheart (or your kids, friends, or let’s be real… yourself), this fudge is the move. No baking. No fancy tools. No 27-step process. Just simple pantry staples turned into something that feels special.

It’s the kind of recipe that feels like you “did something” without actually doing that much — which is my favorite category of recipes.

Make a batch, cut it into cute little squares, maybe wrap a few pieces in parchment with a ribbon… boom. Homemade Valentine’s gift that looks thoughtful and took you less than 10 minutes.

4 Ingredient Peanut Butter Fudge

Easy 4 Ingredient peanut butter fudge that’s rich, creamy, and perfect for Valentine’s Day. A no-bake treat your family will love.

Prep Time 5

Chilling Time 4

Serving Size 16

Ingredients

2 cups brown sugar
1/2 cup evaporated Milk or half and half
1 cup peanut butter
1 tsp vanilla

Instructions

In a medium saucepan, mix together sugar and milk over medium heat. Bring to a gentle boil, stirring constantly for about 2-3 minutes, until sugar dissolves completely.
Remove the saucepan from the heat, then quickly add in the peanut butter and vanilla. Stir until the mixture is smooth and all ingredients are well combined, about 1 to 2 minutes.
Line a 8×8 inch baking dish with parchment paper, allowing some overhang for easy removal.
Pour the warm mixture into the lined dish.
Use a spatula to spread the mixture evenly across the dish.
Refrigerate for 3-4 hours or until set and firm to the touch.
Once firm, lift out of the dish using the parchment paper edges.
Cut into squares.

FAQ: Easy 4 Ingredient Peanut Butter Fudge

You can, but it may change the texture. Natural peanut butter tends to separate and can make fudge softer or slightly grainy. For the creamiest, most consistent results, regular creamy peanut butter works best.

Yes! Crunchy peanut butter works if you like a little texture in your fudge. Just know it won’t be quite as smooth and creamy as the classic version.

Yes! Fun add-ins include:

Mini chocolate chips
Crushed pretzels
Sprinkles (hello Valentine’s vibes)
Sea salt on top

Yes. Store it in the fridge to keep it firm and fresh. It will soften at room temperature, especially if your kitchen is warm.

Stored in an airtight container in the fridge, it’s best within 5–7 days. You can also freeze it for longer storage.

Absolutely! Freeze in a sealed container or freezer bag for up to 2 months. Let it thaw slightly before serving for the best texture.

This usually happens if:

The mixture was too warm when poured
The ratios were slightly off
Natural peanut butter was used
Chilling longer will help it firm up, but texture can vary based on ingredients.

Grainy texture can happen if the mixture was overheated or stirred too aggressively. Gently warming and mixing until just combined usually gives the smoothest result.

Totally. This is a great recipe to make with kids since it’s simple, no-bake, and hard to mess up. Just keep an eye on any hot ingredients if your version involves melting.

Yes—and it’s perfect for Valentine’s Day! Cut into small squares, wrap in parchment paper, and tie with twine or ribbon. Store in the fridge until gifting so it holds its shape.