Packaged snack
Starbucks Perfect Bar Peanut Butter: Calories and Price
340 calories. About $4.45. Sugar and protein were not published.
Quick answer. Perfect Bar Peanut Butter is a packaged snack: 340 calories and about $4.45. Sugar and protein are not on the menu card, so both stay a dash.
- Calories: 340
- Average US price: $4.45
Checked October 2026. Prices are average US prices and vary by store.
Two Perfect Bars, One Price
The other Perfect Bar on the menu is Dark Chocolate Chip Peanut Butter, also about $4.45, at 330 calories. This peanut butter bar is 340 calories. Neither card publishes sugar or protein, even though people search this snack as a protein bar. The food menu only names Perfect Bars among the packaged snacks.
| Packaged or bakery item | Calories | Sugar | Protein | Price |
|---|---|---|---|---|
| Perfect Bar Peanut Butter | 340 | — | — | $4.45 |
| Perfect Bar, Dark Chocolate Chip Peanut Butter | 330 | — | — | $4.45 |
| Marshmallow Dream Bar | 230 | 24 g | 1 g | $2.50 |
How to Order It
- Ask for the Perfect Bar Peanut Butter, not the dark chocolate chip one, if you want the 340-calorie bar.
- Both rings up near $4.45. The case price is per bar.
- If you want a published protein number, this bar does not have one on our menu pages. A bakery item such as the Marshmallow Dream Bar does: 1 g of protein.
Home Peanut Butter Bar
Ingredients
- 4 soft pitted dates
- 2 tablespoons peanut butter
- 1 teaspoon water
- A pinch of salt
Instructions
- Mash the dates with the peanut butter, water and salt until the paste holds together.
- Press it into a small bar and chill it for 20 minutes.
- Eat one bar. This is our home peanut-butter bar. It is our own recipe, and it is not the 340-calorie Starbucks Perfect Bar.
Perfect Bar Peanut Butter FAQs
Does the menu list protein for this Perfect Bar?
No. The food card publishes the price and the calories only. Sugar and protein are blank, so this page leaves them as a dash.
How is the dark chocolate chip Perfect Bar different?
Same price, about $4.45. The dark chocolate chip peanut butter bar is 330 calories. This peanut butter bar is 340 calories. Sugar and protein are unpublished for both.
Is a Perfect Bar the same as the Marshmallow Dream Bar?
No. The Marshmallow Dream Bar is a bakery treat at 230 calories, 24 g of sugar, 1 g of protein and about $2.50. The Perfect Bar is a packaged snack at 340 calories and about $4.45.
What size is it?
One bar. The menu does not split it into Tall or Grande.
Can I treat a third-party protein number as the Starbucks figure?
No. Only the calories and price on this menu are used here. A gram of protein from the brand’s own site is not copied onto this page.
Nutrition and menu descriptions are from starbucks.com, checked October 2026. The homemade recipe is our own home version, not an official Starbucks recipe. Prices are average US prices and vary by store. starbukmenu.com is not affiliated with Starbucks Corporation.

