그게 문제의 핵심이지.

A: Are you any good at making side-dishes?
B: I dabble. Why? Do you have any recipe tips for me?
A: 그게 문제의 핵심이야. I need suggestions.
B: Get on line. There are scads of sites that can help you.

A: 반찬 잘 만드니?
B: 하는 정도. 왜? 요리법 팁 좀 주려고?
A: That’s the crux of the matter. 내가 조언을 받아야 하지.
B:인터넷에 들어가봐. 요리에 도움이 될 사이트가 엄청 많아.

[Additional expressions]
*Are you any good at making side-dishes?
– Can you make good-tasting side-dishes very well?
*I dabble.
– I try. / I try my hand at it once in a while. / I play around a bit in the kitchen.
*Why?
– Why do you ask? / How come you want to know? / What’s up?
*Do you have any recipe tips for me?
– Can you give me a few pointers? / Any good ideas for me?
*That’s the crux of the matter.
– That’s the whole point, right there. / That’s exactly the problem.
*I need suggestions.
– I’m the one who needs a few ideas. / I’m in need of some recipes.
*Get on line.
– Check the Internet. / Look up some things on the Net. / Surf the Net for recipes.
*There are scads of sites that
– There’s an unlimited number of sites that / There are so many sites that
*can help you
– can teach you something / can show you what to do / can offer you useful tips