An embarrassment of riches
Definition 1 of 1
Pro Tip 1/3Positive Connotation
Indicates a favorable situation, yet might suggest some overwhelming aspect or decision-making difficulty due to many options. 
Since winning the lottery, I've had an embarrassment of riches, making it hard to choose what to buy.
Pro Tip 2/3Figurative Use
Not necessarily about wealth; can refer to a surplus of anything, like talent, opportunities, or choices. 
The university's program offers an embarrassment of riches in courses, leaving students spoiled for choice.
Pro Tip 3/3Irony Present
Sometimes used ironically when an abundance seems absurd or causes a peculiar kind of problem. 
Our garden produced such an embarrassment of riches that we didn't know where to store all the vegetables.