Flat Iron Steak vs 1.5 Pound Cut - Cowboy Cut Prime Rib

Compare calories, protein, carbs, fat, sodium, and fiber for these Black Angus Steakhouse menu items.

Quick answer

Flat Iron Steak is lowest in calories, while 1.5 Pound Cut - Cowboy Cut Prime Rib gives the most protein.

Lowest calories

Flat Iron Steak

530 kcal

Highest protein

1.5 Pound Cut - Cowboy Cut Prime Rib

148 g protein

Lowest carbs

Flat Iron Steak

1 g carbs

Lowest sodium

Flat Iron Steak

590 mg sodium

Side-by-side nutrition facts

Values are per listed serving and may vary by location or preparation.

Menu item	Calories	Protein	Carbs	Fat	Fiber	Sodium
Flat Iron SteakDinner Steaks	530 kcal	38 g	1 g	41 g	0 g	590 mg
1.5 Pound Cut - Cowboy Cut Prime RibDinner Prime Rib	2,770 kcal	148 g	5 g	235 g	1 g	3,450 mg

Choose Flat Iron Steak if your priority is keeping calories lower. It has 530 calories per serving.

Choose 1.5 Pound Cut - Cowboy Cut Prime Rib if you want the most protein. It has 148g protein per serving.

If sodium matters, Flat Iron Steak is the lighter sodium pick at 590mg.

Open these items in the Black Angus Steakhouse calculator to see combined calories and macros.