The sentence is missing two words, "will" and "a."
the corrected version would be:
In today’s blog post, I //will// teach you how to make //a// watermelon salad with feta and mint! With less than five ingredients, it’s a feast for the eyes and the palette.
Answer:
He destroyed the mouse's winter shelter
Explanation:
In this story, the speaker apologizes for having destroyed the mouse's winter shelter and having now given it cause to fear its fellow man.