I would do what another user suggested and use a bit of food grade silicone. Put it around the insert part and push on the handle. Then, take a flathead screwdriver and a hammer to put a little indent where that well is on the top of the spatula part, just under the edge of the metal.
Assuming it’s a press-fit…
I would do what another user suggested and use a bit of food grade silicone. Put it around the insert part and push on the handle. Then, take a flathead screwdriver and a hammer to put a little indent where that well is on the top of the spatula part, just under the edge of the metal.