Nailed it

There's also a couple minor differences between how the frosting is piped onto the cupcakes but it doesn't make that much of a difference. Those still look awesome!

Same

If you read the title you'd understand the person was actually proud of what they made and aren't saying they look bad

the title said nailed it, which is almost always used sarcastically on the internet; especially when the picture that it is refearing to is comparing two things: the expected one, and the one that happened... no one says 'i was expecting this, BUT this other thing came up so i'm proud'