Pretty sure she's thanking Letty for teaching Yuuka.
That makes sense. Didn't catch that the first time - thanks!
Really~! Thank you, Mommy!'Kaaay!I got Letty to teach me last time she was here."Mommy's Oden"Ooooohhh!Ooohh, tonight's dinner is hiyashi oden~! Chilled noodle stew in soy brothAll right, help me set the table.