Feast your eyes on this tantalizing Impossible Taco Pie! Made with savory ground beef, taco seasoning, and Bisquick, this incredible dish magically creates its own crust as it bakes to perfection. Experience the explosion of flavor as seasoned beef, green chilies, gooey cheese, and fresh toppings come together in this delectable one-pan wonder.

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What Makes Impossible Taco Pie a Favorite Retro Recipe?
What's old is new again in this simple dish that delivers everything you love about your favorite taco in an easy-to-make casserole. But this retro-feeling recipe doesn't depend on nostalgia for its modern appeal.
The savory south-of-the-border seasoned beef topped with a crunch Bisquick-based crust and fresh toppings are scrumptious. It is a dish you will be proud to serve your family or take to a potluck.
Why You Should Try This Impossible Taco Bake
With its old-school twist on tacos, this Impossible Taco Pie recipe is as intriguing as it is delicious and makes feeding a crowd without breaking the bank a snap. Busy cooks will love how fast and easy it is to get this dish on the table.
Since Taco Pie freezes beautifully, there is always something on-hand when you can't be bothered to cook.
Taco Impossible Pie Ingredients
To make this recipe for Impossible Taco Pie, you'll need:
- Ground beef
- White onion, chopped
- Taco seasoning mix
- Chopped green chilies, canned drained
- Whole milk
- Cheddar cheese, shredded
- Lettuce, shredded
- Tomato, chopped
- Sour cream

How to Make Impossible Taco Bake
To prepare this casserole:
- Preheat the oven to 400°F.
- Dice the onions into small pieces and set aside.
- Heat a skillet over medium heat and add the beef and chopped onions. Stir well and allow it to cook until the meat is brown. Stir occasionally.
- Drain the meat mixture and stir in the taco seasoning.
- Grease a 9-inch pie plate and transfer the seasoned meat mixture into it.
- Drain the can of green chilies and spread the chilies over the meat mixture.

- In a separate mixing bowl, whisk together the milk, eggs, and Bisquick mix.

- Pour the mixture over the green chilies.
- Bake the taco pie for about 25 minutes until a knife comes out clean from the center of the pie.
- Sprinkle the shredded cheddar cheese over the top of the taco pie and bake for 8 to 10 more minutes.
- Remove the taco pie from the oven and let cool on a wire rack for five minutes.
- While the pie is cooling, shred the lettuce and chop the tomato.
- Garnish the taco pie with a thin layer of sour cream, shredded lettuce, and chopped tomatoes.
- Serve warm.

Possible Recipe Variations
Depending on how you like your tacos, feel free to play around with this recipe. Here are a few ideas for customizing this Bisquick Impossible Taco Pie recipe:
- Use premade chili as the pie filling instead of the beef and onions.
- Swap the beef for ground chicken or turkey.
- Choose a different shredded cheese. Mexican Blend would work well here.
- Change up the toppings. Try guacamole, black beans, pico de gallo, pickled onions, or roasted corn.

What to Serve With This Impossible Taco Pie
A slice of this hearty casserole should be enough to satisfy even the heartiest appetites on its own, but Mexican rice, corn, and black beans are all excellent choices of sides if you are extra hungry.
How to Store the Leftovers
You can keep extra Impossible Taco Pie covered in plastic wrap in the fridge for up to three days. The lettuce and tomato toppings will likely wilt overnight, so removing them before storing the casserole is a good idea.
If you make the casserole in advance, leave off the toppings until you are ready to serve.
This recipe makes an excellent make-and-freeze meal. To freeze, let the pie cool completely, and then remove any toppings. Wrap the pie in the pie plate in plastic wrap, then cover in aluminum foil. Freeze for up to a month. You must defrost the pie for 24 hours in the fridge before reheating.
What Is the Best Way to Reheat This Bisquick Impossible Taco Pie Recipe
To reheat a thawed Taco Pie, unwrap it and put it in a preheated 350°F oven. Bake the casserole for 20 to 25 minutes until the internal temperature reaches at least 165°F.

Impossible Taco Pie
Ingredients
- 1 pound ground beef
- ½ cup chopped white onion
- 1 package taco seasoning mix
- 1 4.5-ounce can chopped green chilies, drained
- 1 cup whole milk
- 2 eggs
- ½ cup Bisquick mix
- ¾ cup shredded cheddar cheese
- 1 cup shredded lettuce
- ½ cup chopped tomato
- ½ cup sour cream
Instructions
- Preheat the oven to 400°F and grease a 9-inch pie plate.
- Cook the ground beef and onion in a skillet over medium heat, stirring occasionally, until the beef has browned. Drain the beef, return it to the pan, and add the taco seasoning. Mix well. Spoon the beef evenly into the pie plate and top with green chilies.
- In a mixing bowl, whisk the milk, eggs, and Bisquick mix until blended. Pour the mixture over the ground beef in the pie plate.
- Bake for about 25 minutes or until a knife inserted into the center comes out clean. Sprinkle with cheddar cheese and bake for an additional 8 to 10 minutes. Remove from the oven and let cool for 5 minutes.
- Top with shredded lettuce, chopped tomato, and sour cream.
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