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Rich, buttery, mustard-forward sauce
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 tablespoon (medium) of Mustard butter sauce (15 g) has 82 calories. That works out to 548 calories per 100 g. It contains 0.6 g of carbs, 0.3 g of protein, 8.7 g of fat and 0.2 g of fiber. Its 78 µg of Vitamin A covers 9% of the Daily Value. Its glycemic index is 30 (low), so it raises blood sugar slowly.
Selected: 1 tablespoon (medium) · 15 g
82
KCAL / 15G
Carbs
0.6g
· 0% DV
Protein
0.3g
· 1% DV
Fat
8.7g
· 11% DV
Fiber
0.2g
· 1% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 3% · Protein 1% · Fat 96%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 82 kcal | |
| Total fat | 8.7 g | 11% |
| Saturated fat | 5.52 g | 28% |
| Trans fat | 0.32 g | |
| Sodium | 104 mg | 5% |
| Total carbohydrate | 0.6 g | 0% |
| Fiber | 0.2 g | 1% |
| Protein | 0.3 g | 1% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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| Serving | Amount | Calories |
|---|---|---|
| 1 tablespoon (medium) | 15 g | 82 kcal |
| 1 teaspoon (small) | 5 g | 27 kcal |
| 2 teaspoon (double) | 10 g | 55 kcal |
| 2 tablespoon (double) | 30 g | 164 kcal |
| 1 serving (large) | 45 g | 247 kcal |
| 0.25 cup (quarter) | 60 g | 329 kcal |
| 100 g | 100 g | 548 kcal |
| ½ cup (half) | 120 g | 658 kcal |
Calculated from 548 calories per 100 g.
Mustard butter sauce is a rich, savory sauce made by combining butter with mustard. Recipes may also include lemon juice, vinegar, herbs, or shallots. It is commonly served warm over fish, meat, potatoes, or vegetables.
Melt butter gently over low heat, whisk in mustard, and stir until the sauce is smooth. Lemon juice or chopped herbs can add brightness. Avoid boiling it: high heat can cause the butter to separate and make the sauce greasy.
Mustard butter sauce pairs well with grilled or baked fish, steak, chicken, potatoes, and green vegetables. Its buttery richness and mustard tang add flavor to simply cooked food. Spoon it over the dish just before serving.
Yes, mustard butter sauce is a good match for salmon. Spoon a little over baked, pan-seared, or grilled salmon, and add lemon juice if you want a brighter finish. It also works well with trout and mild white fish.
Mustard butter sauce usually splits when it gets too hot or boils, allowing the butterfat to separate. Keep the heat low and whisk as it warms. If it separates, take it off the heat and whisk in a small splash of warm water.
Yes, Dijon mustard works well in mustard butter sauce and gives it a smooth, distinctly tangy flavor. Whole-grain or yellow mustard can also be used, though they change the texture and taste. Start with a small amount and adjust to taste.
To soften the sharpness of mustard butter sauce, whisk in a little more melted butter or add a few drops of lemon juice. A small amount of honey can round out the flavor too; add it gradually so the sauce does not become sweet.
Yes, you can prepare mustard butter sauce ahead and refrigerate it in a covered container once cool. Reheat only what you need over low heat, stirring gently. Do not let it boil, as the butter may separate.
Mustard butter sauce keeps for a few days in the refrigerator when cooled and stored in an airtight container. Reheat only the portion you plan to use, and avoid leaving the sauce at room temperature for an extended time.
Yes, mustard butter sauce can be frozen, but it may separate or become grainy after thawing. Thaw it in the refrigerator, then warm it gently while whisking. For the smoothest texture, freshly made sauce is usually preferable.
Vitamins
Vitamin A
78µg · 9% DV
Vitamin E
0.32mg · 2% DV
B2
0.03mg · 2% DV
B1
0.01mg · 1% DV
Minerals
Sodium
104mg · 5% DV
Selenium
1.13µg · 2% DV
Phosphorus
9.9mg · 1% DV
Copper
0.01mg · 1% DV
Potassium ⭐
21mg · 1% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 82 calories in 1 tablespoon (medium) (15 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Mustard butter sauce combines butter with mustard for a rich, savoury sauce with a noticeable tang. It is smooth when freshly made and can be served warm over fish, grilled meat, potatoes or vegetables. It is a versatile table sauce rather than a dish tied to one particular regional tradition, and the mustard’s sharpness helps balance the butter’s mellow richness.
Because it is especially rich, a small spoonful often adds plenty of flavour. Its nutritional profile is mostly fat, with 58.2 g of fat per 100 g and relatively little carbohydrate. Serve it alongside simply cooked vegetables or lean protein, or offer it on the side so diners can choose how much to use.
Low
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Low
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
NOVA 3
Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Contains these allergens:
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
5.52g
MONOUNSATURATED
2.31g
POLYUNSATURATED
0.32g
Omega 6:3 ratio 4.6:1
Above the ideal 4:1 (4.6:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.