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Quality Standards

Every drink that leaves the counter represents Muse & Co. A sloppy-looking drink or an inconsistent flavor tells the customer we do not care. This page covers the standards every drink must meet before it goes to the customer. If a drink does not meet these standards, remake it.

The Golden Rule

When In Doubt, Remake It

If you look at a finished drink and think "that does not look right" or "I am not sure I made that correctly," remake it. The cost of one wasted drink is far less than the cost of a disappointed customer who does not come back. Never serve a drink you would not want to receive yourself.

Ice Standards

StandardDetails
Default fill levelIce to 3/4 of the cup for milk teas and fruit teas
Hot drinksNo ice (obviously)
Light ice requestFill to about 1/2 of the cup
No ice requestNo ice at all -- fill the cup with more liquid to compensate
Ice qualityUse fresh ice only. If ice has been sitting out and is partially melted or clumped, use a fresh scoop

"Light Ice" and "No Ice" Affect the Drink

When a customer asks for light ice or no ice, the drink will taste slightly different because there is less dilution. It may taste stronger or sweeter. This is expected -- just fill the extra space with more tea base and milk in the correct ratio.

Sweetness Consistency

Every team member should make the same drink at the same sweetness level. Use the pump system or measured spoons, not eyeball estimates.

LevelPumps / TablespoonsWhen to Use
100% (Regular)2 pumps / 2 tbspDefault if customer does not specify
70% (Less Sweet)1.5 pumps / 1.5 tbspCustomer says "not too sweet"
50% (Half Sweet)1 pump / 1 tbspCustomer specifically requests half
30% (Lightly Sweet)0.5 pump / 0.5 tbspCustomer wants barely sweet
0% (No Sugar)NoneCustomer specifically requests no sugar

Always Confirm Ambiguous Requests

If a customer says something vague like "a little less sweet," confirm: "Would you like 70% sweetness, or half sweet?" Do not guess. Getting the sweetness wrong is the number one reason for remakes.

Topping Portions

Consistent topping portions ensure the drink experience is the same every time.

ToppingStandard PortionMethod
Tapioca Boba1 full ladle scoop (~2 tbsp)Use the boba ladle
Popping Boba (Peach, Passion Fruit)1 tablespoonUse the small spoon
Jelly (Strawberry Heart, Lychee, Mango Star)1 tablespoonUse the small spoon
Cream Cap (Classic or Sea Salt)2 heaping tablespoonsSpoon onto surface -- see Cream Cap Guide
Coffee Jelly1 tablespoonUse the small spoon
Marshmallow3-4 piecesCount them

Do Not Over-Portion or Under-Portion

Too many toppings and we lose money. Too few and the customer feels shortchanged. Use the designated serving utensil for each topping and stick to the standard portions.

Cup Sealing

For sealed cups (boba teas and fruit teas):

StandardDetails
Seal placementCentered, flat, no wrinkles
Seal integrityThe customer should be able to pick up the cup by the seal without it leaking
No condensation on the seal areaWipe the rim of the cup dry before sealing if there is condensation
Seal temperatureThe sealer must be at the correct temperature -- too cool and it does not stick, too hot and it melts through

If a seal does not look right (wrinkled, off-center, or weak), peel it off and re-seal with a fresh film. Do not hand a customer a drink with a bad seal.

Presentation Standards

Visual Checks Before Serving

Run through this mental checklist before every drink goes to the customer:

  • [ ] Color looks correct for the drink ordered (deep orange for Thai Tea, purple for Taro, green for Matcha, etc.)
  • [ ] No clumps of undissolved powder, syrup, or condensed milk visible
  • [ ] Boba is visible at the bottom (for boba drinks)
  • [ ] Cream cap is floating on top as a distinct layer (if ordered)
  • [ ] Tiger stripe swirl is visible (for Brown Sugar Milk Tea)
  • [ ] Cup is clean on the outside -- no drips, no sticky syrup, no smudges
  • [ ] Seal is clean and flat (for sealed drinks)
  • [ ] Straw provided (or available at the pickup counter)

Drink-Specific Presentation

DrinkWhat to Look For
Brown Sugar Milk TeaVisible tiger stripes on cup walls, not stirred
Taro Milk TeaConsistent purple color, no white clumps
Matcha LatteVibrant green, fully mixed or intentionally layered
Thai TeaDeep creamy orange, not pale or brown
Cream Cap drinksCap floating on top, not mixed in
Macchiato LatteVisible layers, caramel drizzle on top
Special Brewed TeasClean glass teapot, served on saucer with tea cup
Blooming teasBloom should be opening or open when delivered to table

Temperature Standards

Drink TypeIdeal Temperature
Iced drinksCold throughout, ice not fully melted
Hot lattes and coffee150-160F (hot but not scalding)
Hot chocolate150-160F
Special brewed teasServed in hot teapot, water at the correct temp for the tea type

Do Not Let Drinks Sit

Once a drink is finished, it should go to the customer within 1-2 minutes. An iced drink that sits on the counter for 5 minutes has melting ice (diluted), sinking boba (clumpy at bottom), and a cream cap that is starting to dissolve. A hot drink that sits gets cold. Call the customer's name or number promptly.

What to Do When Something Goes Wrong

Customer Complaints

If a customer says their drink does not taste right or is not what they expected:

  1. Apologize -- "I am sorry about that, let me fix it for you"
  2. Ask what is wrong -- too sweet, wrong flavor, wrong drink entirely?
  3. Remake it without hesitation. Do not argue or try to explain why it is correct
  4. Let the shift lead know if there is a pattern (multiple complaints about the same drink)

You Notice a Problem Before Serving

If you catch an issue before the drink reaches the customer:

IssueAction
Wrong drink madeDiscard it and start over
Wrong sweetness levelRemake from scratch (you cannot fix sweetness after the fact)
Clumpy powder or undissolved ingredientsRemake -- straining is not reliable
Bad sealRe-seal with fresh film
Cup is dirty or crackedTransfer to a new cup, or remake if the drink has been contaminated
Stale boba (past 4 hours)Discard the boba batch and cook fresh
Cream cap is watery or separatedMake a fresh cream cap batch

When to Escalate

Some issues need management attention:

  • Equipment malfunction (sealer, espresso machine, kettle)
  • Running out of a key ingredient with no backup
  • Multiple customer complaints about the same drink in one shift
  • Food safety concern (spoiled milk, contaminated ingredients)

Cleanliness Standards

AreaStandardFrequency
Prep counterClean and dry, no sticky residueWipe after every drink
Boba stationNo spilled boba, syrup cleaned upAfter every few drinks
Tea brewing areaNo loose tea leaves on the counterAfter each batch brew
Espresso machineWipe steam wand after every use, purge before each useEvery use
Sealing machineClean surface, no melted film residueEvery hour during busy periods
Cups and lidsStored in clean, covered areaAlways
Utensils (ladles, spoons)Rinsed between uses, sanitized hourlyOngoing

Clean As You Go

The best way to keep the workspace clean is to wipe up small messes immediately instead of letting them accumulate. A 5-second wipe after each drink prevents a 15-minute deep clean later.

Consistency Is Everything

The goal is that a customer gets the exact same experience whether they come in Monday morning or Friday night, whether you make their drink or a coworker does. That only happens if everyone follows the same standards, uses the same portions, and holds the same bar for quality. When we are consistent, customers trust us, and trust brings them back.


Last updated: March 2026

Internal documentation for Muse & Co staff only