<human>: Could you distill the essence of the text into 1-3 sentences?

Backstory: This friend who I'll call L and I grew up really poor. We often joke with each other about this because we went to schools with mostly really well off folks. Our mutual friend K, grew up in a really wealthy suburb and attended private school. We often joke about her mom being a suburban housewife (even with the mom, this is just all in our senses of humour, were all very self deprecating)

Problem: Last night at K's, L commented on how K had 3 ice cream scoops and knows she always has Ice Cream. I said that suburban families always have things like that, banana hooks and ice cream scoops and pizza cutters and then promptly said that I grew up without any of those things and struggle was so real trying to cut a pizza (this was all in jest and we were all laughing). 

The next day L posted a rant on her twitter saying things like "Don't talk to me like I've never been to William Sonoma" (a fancy kitchenware store) and that she "Never should have let that slide" and that "Her mom has all of these things".

I quickly texted her apologizing, explaining that I was being self deprecating and not insinuating anything about her, that she's always been a total kitchen goddess and I've never thought otherwise. I apologized and made it clear it wasn't about her, no response.

I'm just so baffled, she makes jokes that are WAAAY more harsh, crude and blunt than that one all the time, but she really seems to think I was out to get her with this joke. I'm just soooo baffled and confused, I've tried calling and she won't answer. Ive sent her a billion apologies.

Is there something I missed here? I said to her I definitely mistook our repore and I will totally be more careful in the future. To my knowledge we've never had a misunderstanding like this before. Please help!
<bot>: accidentally offended a good friend, when I was really trying to make a joke about myself, backfired, now she won't talk to me