How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Old Fashioned Peanut Brittle?

You need 6 ingredients. The key ingredients include: 1 1/2 cups sugar, 1/2 cup water, 1/2 cup white Karo, 1 1/2 cups Spanish peanuts (raw), and more.

Is Old Fashioned Peanut Brittle suitable as general?

Yes, Old Fashioned Peanut Brittle falls under the General category and is a great choice for this type of meal.

How do I store leftover Old Fashioned Peanut Brittle?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Old Fashioned Peanut Brittle Recipe

Name: Old Fashioned Peanut Brittle
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 1/2 cups sugar; 1/2 cup water; 1/2 cup white Karo; 1 1/2 cups Spanish peanuts (raw); 1 teaspoon vanilla; 2 teaspoons baking soda

Try this homemade Old Fashioned Peanut Brittle recipe the whole family will love. Made with sugar, water, white Karo and Spanish peanuts. Easy step-by-s…

This Old Fashioned Peanut Brittle relies on simple, everyday ingredients such as sugar, water, white karo and spanish peanuts (raw). It comes together quickly and makes 4 servings, at about 602 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

Servings: persons

1 1/2 cups sugar
1/2 cup water
1/2 cup white Karo
1 1/2 cups Spanish peanuts (raw)
1 teaspoon vanilla
2 teaspoons baking soda

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
602 kcal
Category
General

Eats Now Editorial Team

Recipe developed & tested in-house

Passionate cooks who develop and test new recipes every day – from quick weeknight dinners to special occasion feasts.

Reviewed by the Eats Now Kitchen Team

More about our team →

Old Fashioned Peanut Brittle

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions