Onion Slice vs A-1 Burger

Compare calories, protein, carbs, fat, sodium, and fiber for these Johnny Rockets menu items.

Quick answer

Onion Slice is lowest in calories, while A-1 Burger gives the most protein.

Lowest calories

Onion Slice

10 kcal

Highest protein

A-1 Burger

10 g protein

Lowest carbs

Onion Slice

0 g carbs

Lowest sodium

Onion Slice

0 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
Onion SliceCreate Your Burger Items - Fresh Freebies	10 kcal	0 g	0 g	0 g	0 g	0 mg
A-1 BurgerLimited Time Offers	430 kcal	10 g	10 g	40 g	0 g	930 mg

Choose Onion Slice if your priority is keeping calories lower. It has 10 calories per serving.

Choose A-1 Burger if you want the most protein. It has 10g protein per serving.

If sodium matters, Onion Slice is the lighter sodium pick at 0mg.

Open these items in the Johnny Rockets calculator to see combined calories and macros.