slather

slather はたっぷりと塗るという意味です。1:53 I'm going to slather it on. これをお肉にたっぷりと塗ります。

Grilled Skirt Steak With Herbs | Melissa Clark Recipes | The New York Times
https://www.youtube.com/watch?v=pB7li30j8Q8  1:33 we're just going to slather it onto the end of our bread.
https://www.youtube.com/watch?v=MtFBkm5xRc4  3:14 Portuguese Bun slathered with bacon onion gin
https://www.youtube.com/watch?v=f8-UKqGZ_hs  10:08 slather a little butter on top