We feed a crowd every night, but these baking dish quiche casseroles make serving 10-20 people a snap. We doubled this recipe and made one with turkey and smoked Gouda for those people in our family who are meat eaters. The vegetarians had a non-smoked Gouda, with half mushroom. Plus we used the dips left over from Shark-Cuterie night to make lovely crostini. The “impossible” pie phenomena was popular in the 1970’s where you could find it on the back of a box of Bisquick. We used whole grain spelt and added baking powder for our version, and are pleased to see that it still makes a lovely bottom layer as well as a crispy top crunch.

Impossible Party Pan Quiche
Ingredients
Instructions
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Preheat oven to 375° Lightly scramble eggs and combine with milk in very large bowl. Sift together baking soda, salt and pepper with flour and add to your wet ingredients and mix well.
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Melt butter and add olive oil and brush along the bottom and sides of your pan. Saute mushrooms (we microwaves with a little butter) for 3 minutes. Then place in your baking dish, with your grated cheese.
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Pour batter over the top of your filling ingredients. Bake in a preheated oven for 40 minutes. Let REST for 10 minutes, then serve.