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These pastel marshmallow squares are the kind of “no-fuss church tray” treat my neighbor Ruth used to slide onto the fellowship table before the coffee urn had even finished perking. They’re a simple stovetop mix of butter, marshmallows, and crisp rice cereal, with soft pastel bits peeking through every glossy square. No oven, no fancy equipment—just an easy, reliable pan of sweets you can stir together when you hear company turning into the driveway or when you need something that will disappear fast at a potluck or after-church coffee hour.
Cut these pastel marshmallow squares small for church trays, coffee hours, or after-school snacks. They’re lovely alongside a hot cup of coffee, tea, or cocoa, and they sit nicely on a dessert table next to bar cookies, brownies, or a simple fruit salad. If you’re serving them at a gathering, leave them right in the white baking dish with a small spatula so folks can help themselves; the gooey texture and crisp edges hold up well on a buffet as long as they’re kept out of direct sun and away from a hot stovetop.
Nana Ruth’s Pastel Marshmallow Squares
Servings: 16
Ingredients
6 cups crisp rice cereal
4 cups mini marshmallows, divided
1 cup pastel mini marshmallows (or pastel-colored marshmallow bits)
4 tablespoons (1/2 stick) unsalted butter
1/4 teaspoon salt
1 teaspoon vanilla extract
Butter or nonstick spray for greasing the baking dish
Directions
Lightly grease a 9×9-inch white ceramic baking dish with butter or nonstick spray. Set it on a sturdy, cool countertop—granite or another solid surface works well—so it’s ready when the mixture is hot.
Measure the crisp rice cereal into a large mixing bowl and set it aside. This makes it easy to work quickly once the marshmallow mixture is melted.
In a large, heavy-bottomed saucepan over low heat, melt the 4 tablespoons of butter. Stir gently so it doesn’t brown; you just want it fully melted and smooth.
Add 3 cups of the mini marshmallows to the melted butter, along with the salt. Cook over low heat, stirring constantly, until the marshmallows are completely melted and glossy. Take your time and keep the heat low so the mixture stays smooth and doesn’t scorch.
Remove the pan from the heat and stir in the vanilla extract. Immediately pour the hot marshmallow mixture over the bowl of crisp rice cereal.
Using a buttered spatula or a wooden spoon, quickly fold the cereal and melted marshmallow together until every bit of cereal is coated. Work from the bottom of the bowl up so there are no dry pockets.
While the mixture is still warm but not scorching hot, gently fold in the remaining 1 cup of mini marshmallows and the 1 cup of pastel mini marshmallows. Stir just enough to distribute them; you want to see soft pastel bits throughout without letting them melt completely.
Scrape the mixture into the prepared baking dish. With clean hands lightly buttered (or using a buttered spatula), press the mixture evenly into the pan. Don’t pack it too hard—just enough to form an even layer with slightly crisp edges and a soft, gooey center.
Let the pan sit at room temperature for 30–45 minutes, or until the squares are set enough to cut cleanly but still soft to the touch. For quicker setting, you can chill them briefly in the refrigerator for about 15 minutes, but don’t leave them in too long or they’ll get too firm.
Once set, use a sharp buttered knife to cut into 16 squares (4 by 4). Serve straight from the baking dish on a tray at church, a potluck, or your own kitchen counter. Store any leftovers, if you’re lucky enough to have them, tightly covered at room temperature for up to 2 days.
Variations & Tips
For a slightly richer flavor, brown the butter gently over medium-low heat until it smells nutty and turns a light amber before adding the marshmallows; this gives the squares a toasty, almost caramel note without adding extra ingredients. If you like a little extra texture, stir in 1/2 cup of chopped toasted nuts—walnuts or pecans are very Midwestern and fit right in—with the cereal. To lean into the church-basement color palette, you can use all pastel marshmallows in place of some or all of the plain mini marshmallows, but keep at least half of them stirred in at the end so you still see distinct soft pastel bits. For a firmer bar that travels especially well on a long drive to a potluck, add an extra 1/2 cup of cereal and press just a bit more firmly into the pan. If you’re making these for a holiday tray, drizzle the cooled squares with a thin zigzag of melted white chocolate and sprinkle lightly with pastel sprinkles to echo the marshmallow colors without changing the basic, no-fuss nature of the recipe.
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