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Plump oysters sit in ridged half shells, topped with a golden-brown, lightly crisp layer of crumbs and scattered green herbs.
●Low GI

Baked oysters Calories

High in zinc and B12, low in carbs

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

79kcal

GI

5low

POTASSIUM · 100 G

168mg

FIBER · 100 G

0g

Quick answer

6 piece (medium) of Baked oysters (84 g) has 66 calories. That works out to 79 calories per 100 g. It contains 4 g of carbs, 7.9 g of protein, 1.9 g of fat and 0 g of fiber. Its 13.4 µg of B12 covers 560% of the Daily Value. Its glycemic index is 5 (low), so it raises blood sugar slowly.

Baked oysters Nutrition Facts

Selected: 6 piece (medium) · 84 g

66

KCAL / 84G

Carbs

4g

· 1% DV

Protein

7.9g

· 16% DV

Fat

1.9g

· 2% DV

Fiber

0g

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 25% · Protein 49% · Fat 26%

Baked oysters nutrition facts table · 6 piece (medium) (84 g)

NutrientAmount% DV
Calories66 kcal
Total fat1.9 g2%
Saturated fat0.5 g3%
Trans fat0 g
Sodium76 mg3%
Total carbohydrate4 g1%
Fiber0 g0%
Protein7.9 g16%

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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How Many Calories in 6 Pieces of Baked oysters?

ServingAmountCalories
6 piece (medium)84 g66 kcal
3 piece (small)42 g33 kcal
100 g100 g79 kcal
1 serving (medium)100 g79 kcal
½ cup (medium)120 g95 kcal
9 piece (large)126 g100 kcal
12 piece (extra large)168 g133 kcal
1 cup (large)240 g190 kcal

Calculated from 79 calories per 100 g.

Frequently Asked Questions About Baked oysters

What are baked oysters made with?

Baked oysters are oysters cooked in their shells or on the half shell, usually with a topping. Common additions include butter, garlic, herbs, breadcrumbs, cheese, or lemon; the topping is optional and should not overwhelm the oyster’s briny flavor.

Do baked oysters kill bacteria?

Baking oysters reduces the risk from many harmful microbes because heat cooks the flesh, but it does not make mishandling harmless. Cook them thoroughly, keep raw oyster juices away from ready-to-eat foods, and wash hands and utensils after handling raw shellfish.

What is the difference between baked oysters and oysters Rockefeller?

Oysters Rockefeller are a particular style of baked oysters, traditionally topped with a rich herb mixture and breadcrumbs. Baked oysters is the broader term: recipes may use garlic butter, cheese, or other toppings and do not have to follow the Rockefeller style.

Can you make baked oysters without the shells?

Yes, baked oysters can be made without their shells. Put the shucked oysters and a little of their liquor in small oven-safe dishes, add the topping, and bake until the flesh turns opaque; individual dishes help keep the juices from spreading.

How do you keep baked oysters from drying out?

Keep baked oysters moist by leaving them on the half shell or adding a small amount of butter or oyster liquor before baking. Use a hot oven and a short cooking time, then check promptly; overcooking quickly makes the flesh tough and dry.

What should you serve with baked oysters?

Baked oysters pair well with lemon, a crisp green salad, or lightly dressed vegetables. Crusty bread can soak up the buttery juices, while a simple side keeps the briny oyster flavor at the center of the meal.

Can you reheat baked oysters?

Yes, you can reheat refrigerated baked oysters, although they may become tougher the second time. Warm them in a covered oven-safe dish just until hot, rather than baking them for a long time; refrigerate leftovers promptly after serving.

Can you bake frozen oysters?

Yes, frozen oysters can be baked after they have been thawed safely in the refrigerator. Drain excess liquid, place them in shells or small oven-safe dishes, and cook until opaque; baking them straight from frozen can make the topping cook unevenly.

Why do oysters sometimes stay closed after baking?

Some oysters stay closed after baking, and a closed shell does not prove that the oyster is safe to eat. Do not pry it open and serve it; discard it, and check the remaining oysters for doneness rather than relying on shell opening alone.

What do baked oysters taste like?

Baked oysters taste briny and savory, with a firmer texture than raw oysters. Their final flavor depends on the topping: lemon and herbs keep it fresh, while butter, cheese, or breadcrumbs make the dish richer.

Baked oysters Vitamins & Minerals

Vitamins

B12

13.44µg · 560% DV

Vitamin D

6.72µg · 34% DV

Biotin

6.72µg · 22% DV

B2

0.16mg · 12% DV

Minerals

Zinc

33mg · 300% DV

Copper

1.09mg · 121% DV

Selenium

53µg · 96% DV

Iodine

78µg · 52% DV

Potassium ⭐

141mg · 4% DV

Sodium

76mg · 3% DV

Baked oysters Glycemic Index

GLYCEMIC INDEX

5
Low
0 Low5570100

GLYCEMIC LOAD

0.2
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Baked oysters

To burn the 66 calories in 6 piece (medium) (84 g):

🚶

16min

Walking (5 km/h)

🏃

7min

Running (8 km/h)

🚴

9min

Cycling

🏊

8min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Baked oysters?

Baked oysters are oysters cooked in their shells or in a small baking dish, often with garlic butter, herbs or a little cheese. They are found in seafood traditions around the world rather than belonging to one single place. The oysters turn tender and slightly firm, with a briny flavour that is usually balanced with lemon and fresh herbs. They are commonly served hot as a starter, sometimes with bread to catch the buttery juices; in coastal restaurants, they can also be part of a shared seafood meal.

They are low in carbohydrates and provide zinc and vitamin B12, with 9.4 g of protein per 100 g. For a lighter version, use lemon, garlic and herbs instead of a heavy layer of butter or cheese.

How Nutritious Is Baked oysters?

Nutrient density

Very high

88/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

46/ 100

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.

Is Baked oysters Processed?

NOVA 2

Minimally 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.

Does Baked oysters Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Baked oysters Good For?

Vegan

— Not suitable

Vegetarian

— Not 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

Baked oysters Fat Profile

SATURATED

0.5g

MONOUNSATURATED

0.42g

POLYUNSATURATED

0.5g

⚖️

Omega 6:3 ratio 0.2:1

Below the ideal 4:1 — a good omega balance.

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Nutrition data compiled from USDA FoodData Central and scientific sources.