Mushy Peas Calories Calculator
Mushy peas are a quintessentially British side dish — dried marrowfat peas soaked, boiled, and mashed to a thick, vivid green purée with an earthy, savoury flavour. A staple accompaniment to fish and chips throughout the UK, mushy peas at just 81 kcal per 100g are one of the lowest-calorie, highest-fibre traditional British foods — a genuine nutritional unsung hero.
Mushy Peas Calculator
To burn about 81 kcal you may need roughly:
📊 Data source note: Nutrition values are estimates based on standard food composition databases and common recipe data. Actual values vary by cooking method, oil quantity, ingredient brand, and serving size. See our Data Sources and Methodology pages.
What Is Mushy Peas?
Mushy peas are made from marrowfat peas — a large, starchy variety of dried pea distinct from garden peas or petit pois. The peas are soaked overnight with bicarbonate of soda, then simmered until they break down into a thick, textured mush. Traditional British mushy peas have a khaki-green colour from the dried peas, though tinned versions often include green food colouring. They are a staple of Northern England chip shop culture, served in a polystyrene tub alongside fish and chips. The nutritional profile is excellent — high in plant protein, fibre, iron, and B vitamins compared to most chip shop accompaniments.
How to Use This Calculator
Enter your serving size in the calculator above and select your preferred unit (grams, ounces, or serving). The calculator will instantly display the exact calorie count alongside a full macronutrient breakdown — protein, carbohydrates, fat, and fibre. You can also compare mushy peas against other foods, add it to a meal plan, or see how long it would take to burn off the calories through different forms of exercise.
Mushy Peas Calories — Complete Breakdown
Per 100g of mushy peas: 81 kcal | Protein: 5g | Carbs: 13g | Fat: 1g | Fibre: 5g. One side serving weighs approximately 100g and contains roughly 81 kcal.
Calories by Portion Size
| Portion | Weight | Calories |
|---|---|---|
| Side portion (100g) | 100g | 81 kcal |
| Large side (200g) | 200g | 162 kcal |
| Chip shop tub (150g) | 150g | 122 kcal |
| Tinned mushy peas (half tin, 145g) | 145g | 104 kcal |
| Mint mushy peas (100g) | 100g | 83 kcal |
| Garden peas mashed (comparison) | 100g | 69 kcal |
Calories by Preparation Method
| Method | kcal/100g | Protein | Carbs | Fat |
|---|---|---|---|---|
| Traditional marrowfat mushy peas | 81 | 5g | 13g | 1g |
| Tinned mushy peas | 72 | 5g | 12g | 0g |
| Mint mushy peas | 83 | 5g | 13g | 1g |
| Cheat's (garden peas, mashed) | 69 | 5g | 12g | 1g |
| Restaurant-style (butter added) | 120 | 5g | 13g | 6g |
| Mushy pea fritters (battered, fried) | 220 | 7g | 28g | 9g |
Nutrition Breakdown
A 100g serving of mushy peas delivers 81 kcal. The macronutrient split is: 5g protein (24% of calories), 13g carbohydrates (64% of calories), and 1g fat (11% of calories). Dietary fibre content is 5g per 100g. These macronutrient ratios make mushy peas a primarily carbohydrate-driven food within the context of a mixed diet.
Weight Loss and Mushy Peas
Mushy peas are already a very low-calorie, high-nutrition food — one of the best traditional British sides for weight management. The only meaningful way to increase their calorie content is by adding butter or cream when serving. They pair well with protein-rich foods (fish, chicken, eggs) to create balanced meals. Replacing chips with mushy peas as your primary side dish saves 300–400 kcal per meal while providing more protein, fibre, and iron.
🥗 Lower Calorie Option: Mushy peas are already one of Britain's lowest-calorie sides at 81 kcal per 100g — an excellent weight management choice as-is.
💪 Higher Protein Option: Mushy peas with tinned tuna stirred through — a protein-rich, ultra-low-calorie combination at under 200 kcal per serving.
🔄 Smarter Swap: Mushy peas instead of chips as your chip shop side — saves 300+ kcal vs a full portion of chips while adding plant protein and fibre.
Muscle Gain and Mushy Peas
Mushy Peas provides primarily carbohydrates and energy, making it a useful fuel source around training sessions rather than a direct muscle-building food. For those focused on muscle gain, mushy peas works best as a carbohydrate component of a meal that also includes a high-quality protein source such as chicken, fish, eggs, or Greek yogurt. The carbohydrates in mushy peas replenish muscle glycogen after resistance training, supporting recovery and future performance.
Burn This Food
To burn approximately 162 kcal (the calories in large side of mushy peas (200g), calculated for a 70 kg adult):
| Activity | Time Required |
|---|---|
| 🚶 Walking (moderate) | 32 min |
| 🏃 Running (8 km/h) | 15 min |
| 🚴 Cycling (moderate) | 20 min |
| 🏊 Swimming (laps) | 18 min |
| 💃 Dance/Zumba | 24 min |
| 🏋️ Weight training | 27 min |
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Frequently Asked Questions
How many calories in mushy peas?
A 100g serving contains approximately 72–81 kcal. A chip shop portion (~150g) is around 110–125 kcal. They are one of the lowest-calorie traditional British side dishes available.
Are mushy peas healthy?
Yes — mushy peas are an excellent source of plant protein (5g per 100g), dietary fibre (5g per 100g), iron, zinc, and B vitamins. They support gut health and provide sustained energy.
What are marrowfat peas?
Marrowfat peas are a specific variety of large, starchy dried pea distinct from regular garden peas. Their higher starch content causes them to disintegrate during cooking to form the characteristic mushy texture.
Can I make mushy peas from frozen peas?
Yes — simmer frozen garden peas with a little butter and mint, then roughly mash. The result is slightly lighter in texture than traditional marrowfat mushy peas but works well as a quick alternative.
📊 Data source: USDA FoodData Central and Public Health England Nutrient Databank. Values represent averages; actual nutrition may vary by brand, recipe, and preparation method. For personalised dietary advice, consult a registered dietitian.