Nutrition Breakdown

O'Sullivan's Calories — Lowest to Highest

Browse calorie values for O'Sullivan's menu items, with official nutrition where available and estimated calories for uncovered items. Updated July 2026.

Coverage

100%

Average Calories

293 kcal

Lowest Item

10 kcal

Highest Item

620 kcal

91 / 91 items resolved USDA database: 30 Estimated: 61

Lowest Calorie Items at O'Sullivan's

Use this ranking to find lighter menu options quickly

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# Item Category Source Calories
1 16oz New York Shell Steak entrees Estimated 10 kcal
2 Steak Au Poivre entrees Estimated 10 kcal
3 Steak Fajitas pasta Estimated 10 kcal
4 Tomato Juice relax with a complementary drink USDA 21 kcal
5 Cranberry Juice relax with a complementary drink USDA 29 kcal
6 Orange Juice relax with a complementary drink USDA 46 kcal
7 Broccoli And Cheddar egg dishes USDA 48 kcal
8 Mimosa Cocktail relax with a complementary drink USDA 59 kcal
9 Chablis relax with a complementary drink USDA 67 kcal
10 Bloody Mary relax with a complementary drink USDA 73 kcal
11 Spinach And Mushroom egg dishes USDA 90 kcal
12 Screwdriver relax with a complementary drink USDA 92 kcal
13 Shrimp Parmesan sandwiches & finger food USDA 99 kcal
14 French Toast other brunch favorites USDA 122 kcal
15 Omelets egg dishes USDA 122 kcal
16 Three Eggs egg dishes USDA 122 kcal
17 Whiskey Sour relax with a complementary drink USDA 123 kcal
18 Domestic Tap Beer relax with a complementary drink USDA 136 kcal
19 Burgundy relax with a complementary drink USDA 148 kcal
20 Cajun Chicken sandwiches & finger food USDA 164 kcal
21 Steak & Eggs egg dishes USDA 164 kcal
22 Combo Platter appetizers Estimated 170 kcal
23 Roast Beef Platter entrees Estimated 170 kcal
24 Mozzarella egg dishes USDA 173 kcal
25 Caesar Salad salads Estimated 180 kcal
26 Cobb Salad salads Estimated 180 kcal
27 House Salad salads Estimated 180 kcal
28 Beer Battered Shrimp sandwiches & finger food USDA 205 kcal
29 Fish & Chips sandwiches & finger food USDA 214 kcal
30 French Onion Soup sides & soups Estimated 220 kcal
Nutrition sync is temporarily paused Missing official items: 61

Highest Calorie Items

Top calorie-dense picks based on current nutrition data

Design Your Own Burger

burgers 620 kcal

Hamburger

burgers 620 kcal

Chicken & Broccoli

pasta 430 kcal

Chicken Dijon

pasta 430 kcal

Chicken Fajitas

pasta 430 kcal

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How Estimated Calories Are Calculated

When official nutrition is unavailable, calorie values are estimated using menu-item keywords and then adjusted by portion size. These values are directional for comparison, not medical nutrition advice.

  • Base estimate: item-name tokens (for example burger, fries, salad, pizza, shake) map to baseline calorie ranges.
  • Portion weighting: ounce and gram values adjust the estimate (about 8 oz = 1.0x, about 230 g = 1.0x), then the value is capped within a safe range.
  • Size modifiers: small/kids items apply a lower multiplier, while large/xl/family/double items apply a higher multiplier.
  • Final output: estimates are rounded to whole calories and shown as Estimated in the source column.

O'Sullivan's Calories — Frequently Asked Questions

Questions about calorie values, estimates, and nutrition coverage.

How many O'Sullivan's items have calorie data?
O'Sullivan's currently has calorie values for 91 of 91 menu items (100% coverage). We first use official nutrition sources when available, then apply estimation fallback for unresolved items.

What is the lowest-calorie item at O'Sullivan's?
The lightest item currently tracked is 16oz New York Shell Steak at approximately 10 kcal. Use the ranked table to find other low-calorie meal choices.

Are O'Sullivan's calorie values official or estimated?
This page uses a hybrid model: 30 items use USDA database estimates, while 61 items are algorithmic estimates. Both are directional for comparison, not medical guidance.

Where can I compare calories and prices together?
Use the O'Sullivan's full menu prices page for price-focused browsing and the cheapest menu items page for budget picks. This calories page is built for nutrition-first filtering.

How to Use This Calories Page

Use this page to compare low-calorie and high-calorie items quickly before ordering. Official values are used where available, and estimated values fill the coverage gap for broad menu discovery.

Estimated values are directional and may vary by location, preparation style, and serving size. For strict dietary planning, cross-check with the official restaurant nutrition statement when available.