Hollys, why won't you eat the eggs yourself?!?!?
If possible, I would seriously reconsider your stance. They are nutritious and way more delicious than chicken eggs or anything store bought! And they are amazing for baking. Even if you just aren't a big egg eater, people have always needed eggs for cooking and baking in general. Loose the store-bought Mayonais, Dressings, Sauces and make them fresh yourself, that's a fantastic place to start (I grew up absolutely loathing Mayo, but when it's fresh and homemade, it's a totally different experience!).
If for some reason you really can't eat the eggs yourself, then do you have any other animals? Dogs and Cats can and will likely eat all your eggs for you-- my mother started to keep chickens for this very reason (she has four dogs, all on a raw diet). I beleive other livestock can eat them as well, and so can your ducks, shells included! Though, if you're going to regularly feed the eggs back to your ducks, I'd maybe cut back a bit in the quantity and protein levels of they're regular feed.
I'm curious, do you know for sure if you have a Drake or not? If not, your eggs won't ever fertilize and if you do, then 2 females to 1 Pekin Drake is not going to be a very healthy or comfortable relationship. Just a heads- up.
Here's another easy/simple hidden egg recipe that we can't stop eating for breakfast:
Take 1 banana and mash it up really good, add 1 egg and a good pinch of salt and mix to form a batter. Then pan fry in a little butter or oil, a minute or two per side. It's hella good! Basically gluten-free banana pancakes.