MenuTrim
Mushroom Swiss Burger Jr calories & nutrition
The Whataburger Mushroom Swiss Burger Jr has 700 calories, 32 g protein, 47 g carbs and 42 g fat (229 g).
Nutrition Facts
* Percent Daily Values are based on a 2,000 calorie diet (FDA). Values from the chain's published nutrition, 2026 menu.
Good for weight loss?
It is a heavy pick: 700 calories is 35% of a 2,000 calorie day. The Sweet & Spicy Bacon Burger Jr has 600 calories with 32 g of protein.
#28 of 49 Whataburger meals by protein per calorie.
Lighter swaps at Whataburger
Fewer calories, similar protein
 Sweet & Spicy Bacon Burger JrJr. Meals · 209 g | 600 | 32 g | 42 g | 33 g | 1,350 mg |
|---|---|---|---|---|---|
 Green Chile Double JrBurgers · 201 g | 540 | 28 g | 37 g | 30 g | 1,310 mg |
| 680 | 34 g | 63 g | 32 g | 1,800 mg |
More protein for about the same calories
 Cobb Salad with Whatachick'nSalads · Whatachick'n | 540 | 45 g | 20 g | 31 g | 1,090 mg |
|---|---|---|---|---|---|
Cobb Salad with Grilled ChickenSalads · Grilled Chicken | 430 | 44 g | 10 g | 23 g | 1,160 mg |
Cobb Salad with Spicy ChickenSalads · Spicy Chicken | 550 | 43 g | 21 g | 32 g | 1,420 mg |
Questions
How many calories are in the Whataburger Mushroom Swiss Burger Jr?
The Whataburger Mushroom Swiss Burger Jr has 700 calories (229 g), on the 2026 menu.
How much protein is in the Mushroom Swiss Burger Jr?
32 g of protein, or 4.6 g for every 100 calories. That ranks #28 of 49 Whataburger meals by protein per calorie.
How many carbs and how much fat are in the Mushroom Swiss Burger Jr?
47 g of carbs (3 g fiber, 11 g sugar) and 42 g of fat.
How much sodium is in the Mushroom Swiss Burger Jr?
1,380 mg, 60% of the 2,300 mg daily limit in the Dietary Guidelines for Americans.
Is the Whataburger Mushroom Swiss Burger Jr good for weight loss?
It is a heavy pick: 700 calories is 35% of a 2,000 calorie day. The Sweet & Spicy Bacon Burger Jr has 600 calories with 32 g of protein.
Eat at Whataburger. Still lose weight.
At Whataburger, the Garden Salad w/ Grilled Chicken is 290 calories and the Sweet & Spicy Bacon Burger is 1,080. MenuTrim builds your personal plan and shows which one fits today.
- Daily calories for your goalFrom your weight, goal weight and pace.
- A protein target and a per-meal limitSo one meal out doesn't take the whole day.
- The date you'll reach your goalAn estimate from your pace, updated as you log.
- Whataburger orders that fit, marked15,000+ dishes at 50 chains, all from 2026 menus.
Build your plan in the app.Nutrition from Whataburger's published information for the 2026 menu. Recipes change; check with the restaurant if it matters. MenuTrim is not affiliated with Whataburger.