Here's how 3 ounces of the leanest cuts of cooked beef compare. Expect grass-fed beef to best these numbers across the board; total fat in a 3-ounce serving of grass-fed beef can be as little as 2.2 grams, less than in a skinless chicken breast, at 3.0 grams.

Cut

Calories

Saturated Fat

Total Fat

Bottom round

177

2.3 grams

6.8 grams

Chuck arm pot roast

184

2.5 grams

7.0 grams

Eye round, extra-lean

143

1.5 grams

4.2 grams

Round tip

157

2.0 grams

5.9 grams

T-bone steak

172

3.0 grams

8.2 grams

Tenderloin

179

3.0 grams

8.5 grams

Top round, extra-lean

153

1.4 grams

4.2 grams

Top sirloin

166

2.4 grams

6.1 grams

Notes: Beef cuts are based on 3-ounce cooked servings, separable lean only (muscle tissue with internal marbling), trimmed to one-quarter-inch fat, all grades.

Source: USDA National Nutrient Database for Standard Reference, www.nal.usda.gov/fnic/foodcomp.

—D.N.