Sonic • Shakes & Ice Cream
Master Blast (Reese's)
Vanilla ice cream blended with Reese's cups
Typical U.S. price — actual prices vary by location, franchise, and ordering platform.
Menu Labeling & Nutrition Information
2,000 calories a day is used for general nutrition advice, but calorie needs vary. Full nutrition information — including saturated fat, trans fat, cholesterol, sodium, sugars, and fiber — is available upon request from the restaurant and in the official nutrition guide. Calorie counts shown are approximate and based on official restaurant nutrition data; values may vary by location, preparation, and portion size.
Everything You Need to Know About the Master Blast (Reese's)
The Master Blast (Reese's) is vanilla ice cream blended with reese's cups It comes in at 820 calories with 18g of protein, and is priced at $4.99 in the Shakes & Ice Cream section of the Sonic menu — about 0.61 cents per 100 calories. Sonic is a fast food chain with over 3,500 locations known for Ocean Water, Route 44 Strawberry Limeade, Sonic Cheeseburger. Our Sonic menu guide covers prices, nutrition info, deals, and secret menu items.
How the Master Blast (Reese's) compares to similar Sonic items
| Item | Price | Calories | Price / 100 cal |
|---|---|---|---|
| Vanilla Shake (Medium) | $4.49 | 620 | 0.72 |
| Strawberry Shake (Medium) | $4.49 | 620 | 0.72 |
| Chocolate Shake (Medium) | $4.49 | 640 | 0.70 |
| Master Blast (Oreo) | $4.99 | 780 | 0.64 |
| Master Blast (Reese's) (this item) | $4.99 | 820 | 0.61 |
Average price in the Shakes & Ice Cream section: $4.63. This item is above the section average.
Sonic secret menu items
Dirty Dr Pepper · $3.49
Dr Pepper with coconut and lime flavors — a viral Sonic secret menu drink
How to order: Order a Route 44 Dr Pepper and add 'coconut flavor and a splash of lime.' Stir well.
Purple Sprite · $3.49
Sprite with grape and cranberry flavors — turns a vibrant purple color
How to order: Order a Route 44 Sprite and add 'grape flavor and cranberry juice.'
Cherry Limeade with Vanilla · $3.99
A cherry limeade with a splash of vanilla cream — tastes like a cherry cream soda
How to order: Order a Route 44 Cherry Limeade and ask for 'a splash of vanilla.'
Grilled Cheese with Bacon · $3.99
A grilled cheese sandwich with bacon added — not on the regular menu
How to order: Order a Grilled Cheese and ask to 'add bacon.' Most locations will accommodate.
Dietary & allergen information
This item is flagged as: V.
Is the Master Blast (Reese's) good value at Sonic?
At $4.99, the Master Blast (Reese's) costs about 0.61 cents per 100 calories against a $4.63 average in the Shakes & Ice Cream section. Value depends on what you order alongside it — pair it with the cheapest Sonic sides for the best total meal cost.
How to order the Master Blast (Reese's) at Sonic
The Master Blast (Reese's) is available at Sonic locations nationwide — dine-in, takeout, and in most markets delivery through the Sonic app or third-party services. Order through the official Sonic ordering page for pickup and delivery. Prices vary by location — check the current full Sonic menu for the latest pricing.
Pro Tips for Ordering the Master Blast (Reese's)
- 1At 820 calories, this is one of the higher-calorie items on the menu — plan portions accordingly.
- 2Check current Sonic deals — Happy Hour — Half-Price Drinks 2-4 PM (through 2026-12-31).
- 3Prices have trended +2.1% vs 2025 on our tracking — expect slight variation by location.
Tips compiled from customer reviews on Google, Yelp, Reddit, and our menu tracking data.
Payment & holiday hours
Accepted payment
- Credit & debit cards (Visa, Mastercard, Amex, Discover)
- Cash
- Gift cards
- Apple Pay & Google Pay
Holiday closures
- Thanksgiving
- Christmas Day
Typical closures — individual locations may vary. Confirm locally before visiting.
Master Blast (Reese's) prices by city (estimated)
Prices vary by location. Estimates for the Sonic national-average pricing model:
- Dallas: $2.85 (Estimated — lower operating costs — Ocean Water)
- Houston: $2.85 (Estimated — lower operating costs — Ocean Water)
- San Antonio: $2.80 (Estimated — lower operating costs — Ocean Water)
- Austin: $2.95 (Estimated — on par with national average — Ocean Water)
- Oklahoma City: $3.00 (Estimated — on par with national average — Ocean Water)
- Phoenix: $3.00 (Estimated — on par with national average — Ocean Water)
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About Sonic
Sonic is a fast food chain with over 3,500 locations known for Ocean Water, Route 44 Strawberry Limeade, Sonic Cheeseburger. Our Sonic menu guide covers prices, nutrition info, deals, and secret menu items. Browse full menu sections including burgers, chicken & sandwiches, breakfast menu, drinks & slushes. Current deals include Happy Hour — Half-Price Drinks 2-4 PM.
Sonic FAQ
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Prices and customer sentiment sourced from the official Sonic website, nutrition guide, and public reviews. Source: www.sonicdrivein.com