Has the cash-strapped American worker fallen out of love with slop?

Diners enjoy a Sweetgreen salad. Michael Nagle/Bloomberg/Getty Images New York —

Purveyors of the so-called “slop bowl” just had another messy quarter.

What was once the lowly desk salad has since expanded to a mish-mosh of options in a bowl, ranging from proteins like carne asada and lamb meatballs to toppings like tzatziki or red chimichurri , and has become a staple of the American worker’s diet.

But the big three slop slingers — Cava, Chipotle and Sweetgreen — all reported similar problems in their recent earnings: Younger customers, particularly those aged between 25 to 35, are pinching pennies and choosing to forgo the $15 (or $20) warm bowls.

Instead, they are packing their lunches or gravitating toward fast food chains offering deep discounts , thus hurting the trio’