Puzzle

 ACROSS

  1 Muffin stuff

  5 ___ the mark

  9 Start to unravel

 13 That certain glow

 14 Kids' plea to their parents

 15 Like many valuable stamps

 16 Part of a recipe

 17 In the least

 18 Emoticon's : or ;

 19 A baby ...

 22 Business magazine

 23 Shaggy's best bud

 24 An archaeologist ...

 29 Red and odd, e.g., in roulette

 31 Surname of anonymity

 32 Get ready to drive?

 33 Sch. in Stillwater

 34 Attach a button, perhaps

 35 Samantha Bee's channel

 37 Jamaican genre

 38 Word before "mall" or "steak"

 40 It leaks from some tires

 41 Salt Lake City students

 42 A chain maker ...

 46 They may let dirty dishes pile up

 47 City abbr. within "Raptors," aptly

 48 A hiker ...

 53 Kite feature

 55 Tatum who won an Oscar at age 10

 56 What comes to mind

 57 Realtor's unit?

 58 Witherspoon of "The Morning Show"

 59 Kindle kin

 60 Rose garden insects

 61 Old jets, briefly

 62 Last word in an ultimatum

DOWN

  1 "All About That ___" (Meghan Trainor hit)

  2 Justice Bader Ginsburg

  3 A gray one is uncertain

  4 They might go in rings or laps

  5 Bryn ___ College

  6 With little planning

  7 On/off device

  8 Brief tussles

  9 Something you get for nothing

 10 Shafts of sunlight

 11 You-here connector

 12 "You bet!"

 14 Popular dishwasher soap

 20 Opposite of WSW

 21 Spacious apartments

 24 Driver's 180

 25 Seating info

 26 Where many tweets originate

 27 High-ranking noble

 28 Relaxing getaways

 29 Kind of pear

 30 This, in Costa Rica

 34 Incantation

 35 Up to, informally

 36 Easily snapped

 39 Shoe pads

 40 Comparably sugary

 41 Kiev's country

 43 Uses crayons

 44 Steakhouse orders

 45 Neither's companion

 48 Marshmallow roaster

 49 Talk back to

 50 Much-loved celebrity

 51 Some summer babies

 52 Strong Japanese drink

 53 Folder feature

 54 Card in a blackjack

Solution