Pepperoni Pizza Spinach Squares
By America's Test KitchenPublished on September 4, 2012
Time
1¼ hours, plus 20 minutes cooling
Yield
Makes 32 squares
Ingredients
Before You Begin
You can thaw the spinach in the microwave or overnight in the refrigerator. To squeeze the spinach dry, place it in a clean dish towel, gather the edges, and wring it out. Cooled Spinach Squares can be refrigerated for up to 24 hours and reheated, covered in foil, in a 375-degree oven.
Instructions
- Adjust oven rack to upper-middle position and heat oven to 375 degrees. Spray 13 by 9-inch baking dish with vegetable oil spray. Arrange pepperoni between 4 layers of paper towels on plate and microwave until fat begins to render but pepperoni is still pliable, about 1 minute. Finely chop pepperoni and set aside.
- Whisk flour, baking powder, salt, pepper, and cayenne together in bowl. Add broth and eggs and whisk until smooth. Stir in spinach, mozzarella, onion, pepperoni, and garlic until combined.
- Transfer mixture to prepared baking dish and sprinkle with Parmesan. Bake until browned on top and bubbling around edges, 40 to 45 minutes. Let cool in pan for 20 minutes. Cut into 32 equal-size squares and transfer to platter. Serve warm.
Time
1¼ hours, plus 20 minutes coolingYield
Makes 32 squaresIngredients
Test Kitchen Techniques
Ingredients
Test Kitchen Techniques
Ingredients
Test Kitchen Techniques
Why This Recipe Works
Spinach squares are warm, cheesy, finger-food hors d’oeuvres with a simple dump-and-stir method, but many versions are greasy and pale, with lackluster flavor. Swapping butter for vegetable oil spray and reducing the cheese slightly cut the grease. We boosted flavor by exchanging relatively bland milk for more savory chicken broth and topping the squares with a layer of grated Parmesan (which also helps with browning). Upping the oven temperature and cooking on the upper-middle rack finished the job, creating a deeply browned top.
Before You Begin
You can thaw the spinach in the microwave or overnight in the refrigerator. To squeeze the spinach dry, place it in a clean dish towel, gather the edges, and wring it out. Cooled Spinach Squares can be refrigerated for up to 24 hours and reheated, covered in foil, in a 375-degree oven.
Instructions
- Adjust oven rack to upper-middle position and heat oven to 375 degrees. Spray 13 by 9-inch baking dish with vegetable oil spray. Arrange pepperoni between 4 layers of paper towels on plate and microwave until fat begins to render but pepperoni is still pliable, about 1 minute. Finely chop pepperoni and set aside.
- Whisk flour, baking powder, salt, pepper, and cayenne together in bowl. Add broth and eggs and whisk until smooth. Stir in spinach, mozzarella, onion, pepperoni, and garlic until combined.
- Transfer mixture to prepared baking dish and sprinkle with Parmesan. Bake until browned on top and bubbling around edges, 40 to 45 minutes. Let cool in pan for 20 minutes. Cut into 32 equal-size squares and transfer to platter. Serve warm.
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