Oven Baked 3-Ingredient Chicken Americana

This 3-ingredient baked Chicken is one of those recipes that sounds too simple to be good — until you pull it out of the Oven and the sauce is sticky, caramelized, and absolutely irresistible. Just chicken breasts, ketchup, and lemon-lime soda. That’s it. The oven does everything else.

Why You’ll Love This

• Only 3 ingredients — ketchup, lemon-lime soda, and chicken breasts. Nothing fancy, nothing you have to hunt for.
• Minimal prep — five minutes to mix and pour, then the oven takes over for the next hour.
• That sauce — it bakes down into something glossy, tangy, and just slightly caramelized around the edges.
• Great for a crowd — doubles easily, holds well, and travels without complaint. Use two pans and you’ve got dinner for a dozen.
• Weeknight reliable — the kind of dish you can assemble before the chaos of the evening starts and have ready when everyone sits down.

A Word About the Ingredients

Ketchup: Ketchup brings the sweet, the tangy, and the tomato base. Store brand is perfectly fine. It all works and caramelizes beautifully in the oven.

The lemon-lime soda: Sprite, 7-Up, or any similar soda does something to the sauce that is magic. The carbonation settles down in the oven but the citrus sweetness stays, thinning the ketchup out just enough that it gets glossy and coats the chicken without turning into a thick paste.

The chicken: The chicken breasts should be on the thicker side if you can find them. Thin ones cook too fast, and you risk losing the sauce before the edges get that good caramelized char. If yours are enormous, you can butterfly them, but it isn’t strictly necessary.

Ingredients

• 6 boneless, skinless chicken breasts (on the thicker side)
• 1 to 1¼ cups ketchup
• 1 cup lemon-lime soda (Sprite, 7-Up, etc.)

Let’s Make It

Preheat and prep: Preheat your oven to 350°F. Do not be tempted to crank it up—this recipe needs time to let the sauce reduce properly. Lightly grease a 9×13-inch baking dish with cooking spray.

Arrange the chicken: Lay your chicken breasts out in a single layer in the dish. Do not stack or crowd them so they cook and brown evenly.

Mix the sauce: In a bowl or large measuring cup, stir together the ketchup and the lemon-lime soda. It will foam up a little at first. Stir until it settles into a mostly smooth, deep pink sauce.

Pour and bake: Pour the sauce directly over the chicken, making sure each piece is covered. Bake uncovered for 45 to 55 minutes. The sauce should be bubbling, sticky, and darkened around the edges, and the chicken must reach an internal temperature of 165°F at its thickest point.

Rest and serve: Let the chicken rest in the dish for 5 minutes. Spoon the warm, glossy pan sauce back over the top of each piece before serving.

Ways to Change It Up

Chicken thighs (boneless, skinless) work beautifully here too. They stay juicier and are much more forgiving if you happen to leave them in the oven for a few extra minutes.

If you want a little heat, stir a splash of your favorite hot sauce (like Frank’s or Cholula) into the ketchup-soda mixture before pouring it over the chicken.

For gatherings: This recipe feeds a crowd easily. Simply double the ingredients and use two separate pans. Stacking the chicken in a single pan will prevent the sauce from reducing and caramelizing correctly.

Storage & Leftovers

Keep leftovers in an airtight container in the fridge for three to four days. The sauce will congeal slightly when cold, but it loosens back up and reheats perfectly in the microwave. Cover with a damp paper towel to prevent splattering.

Refrigeration note: Get the leftovers into the fridge as soon as they have cooled slightly (within two hours of cooking) to keep the sauce from getting gummy on the chicken.

We eat this over plain white rice most often because the sauce does all the heavy lifting and you want something to catch every drop. Mashed Potatoes or buttered egg noodles work just as well.