This one is a home made frozen dog treat idea perfect for beating summer heat.
Brett Winn writes on HubPages, "In today's Internet age, it's the rare "dog mom" who hasn't purchased, made or at least heard about Frosty Paws® for dogs. Those who haven't have been missing out, or more perhaps accurately, their dogs have been missing out! Frosty Paws® are creamy, nutritious, healthful (but unfortunately somewhat expensive) frozen treats that dogs adore. Enjoyable year round, they're especially welcome in the summer months as they're the canine equivalent of ice cream. Homemade versions, which lack preservatives, are more healthful than store brands, and cost less as well!"

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SallysBakingAddiction.com has a great recipe for Home Made Peanut Butter Bacon Dog Treats.
After all... bacon.
Sally write's, " After doing a lot of research on homemade dog treats, I confirmed with our vet that the combination of whole wheat flour, egg, milk, baking powder, oats, and peanut butter is perfectly healthy for a pup. I added chopped bacon because it completely drives him nuts."
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Third, we have a vegetarian option from KingArthurFlour.com. They said, "Whether or not you have a vegetarian dog, these non-meat biscuits will be snapped up — literally! The recipe comes courtesy of King Arthur friend Elaine Aukstikalnis, who works in a veterinary office; Elaine regularly bakes these biscuits (which have been "vetted by the vet") to bring to work for "the patients."
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And fourth, we have an organic sweet potato treat that we make right on our own farm regularly for our family and for clients. You can check out how to make them right here...