Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Peanut Butter vs Brownie: Nutrition Comparison

Which is healthier? Compare calories, protein, carbs, and more

Complete side-by-side nutrition comparison per 100g serving | Updated 2026

Which is Healthier?

Peanut Butter is generally healthier

Peanut Butter comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has more protein (25g vs 6.3g), more fiber (6g vs 3g), less sugar (9.4g vs 48g), making it the better choice for most health goals.

Quick Summary

Fewer Calories

Brownie

466 kcal

More Protein

Peanut Butter

25g

More Fiber

Peanut Butter

6g

Less Sugar

Peanut Butter

9.4g

Visual Comparison

Caloriesper 100g
Peanut Butter
588
Brownie
466
Proteinper 100g
Peanut Butter
25g
Brownie
6.3g
Carbohydratesper 100g
Peanut Butter
20g
Brownie
63g
Fatper 100g
Peanut Butter
50g
Brownie
22g

Side-by-Side Nutrition Table

NutrientPeanut ButterBrownieDifference
Calories588kcal466kcal+122.0kcal
Protein25g6.3g+18.7g
Carbohydrates20g63g-43.0g
Fat50g22g+28.0g
Fiber6g3g+3.0g
Sugar9.4g48g-38.6g
Sodium459mg231mg+228.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Peanut Butter

Per 100g:588 calories
Per cup (150g):882 calories
Per serving (85g):500 calories

Brownie

Per 100g:466 calories
Per cup (150g):699 calories
Per serving (85g):396 calories

Diet Compatibility

Peanut Butter

High-ProteinVeganVegetarianPaleo

Brownie

VeganVegetarian

When to Choose Peanut Butter

  • Higher in protein (25g vs 6.3g)
  • More fiber (6g vs 3g)
  • Lower in carbs (20g vs 63g)
  • Less sugar (9.4g vs 48g)

Common Uses

SnackingToppingsTrail mixBaking
View full Peanut Butter nutrition →

When to Choose Brownie

  • Lower in calories (466 vs 588)
  • Lower sodium (231mg vs 459mg)

Common Uses

TreatsCelebrationsComfort foodSocial occasions
View full Brownie nutrition →

Peanut Butter vs Brownie: Nutritional Analysis

Peanut Butter is more calorie-dense at 588 calories per 100g compared to 466 for Brownie, a difference of 122 calories. On the protein front, Peanut Butter delivers more with 25g per 100g versus 6.3g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.

Macronutrient Breakdown

The macronutrient profiles of Peanut Butter and Brownie tell different nutritional stories. Peanut Butter provides 20g of carbohydrates, 50g of fat, and 6g of fiber per 100g, while Brownie contains 63g carbs, 22g fat, and 3g fiber. The higher fiber content in Peanut Butter supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Peanut Butter contains 9.4g while Brownie has 48g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Brownie is the lower-calorie choice at 466 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Peanut Butter provides more protein (25g/100g), supporting muscle repair and growth.
  • For sustained energy: Peanut Butter offers more fiber (6g/100g), which slows digestion and provides steadier energy release.
  • Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.

Frequently Asked Questions

Which has more calories, Peanut Butter or Brownie?

Peanut Butter has more calories with 588 kcal per 100g, compared to Brownie with 466 kcal. That's a difference of 122 calories per 100g serving.

Is Peanut Butter healthier than Brownie?

Based on our nutritional analysis, Peanut Butter is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Peanut Butter has 588 calories, 25g protein, and 6g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Peanut Butter and Brownie?

Peanut Butter has more protein with 25g per 100g, compared to Brownie with 6.3g. Peanut Butter provides 18.7g more protein per 100g serving.

Which is better for weight loss, Peanut Butter or Brownie?

For weight loss, Brownie is the better choice with only 466 calories per 100g compared to 588 calories in Peanut Butter. Peanut Butter also offers 6g of fiber per 100g, which helps you feel fuller longer.

Does Peanut Butter or Brownie have fewer carbs?

Peanut Butter has fewer carbs with 20g per 100g, compared to Brownie with 63g. If you're following a low-carb diet, Peanut Butter is the better option with 43.0g fewer carbohydrates.

About Our Data

All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.

Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.