Spinach Stuffed Chicken Breasts
These chicken breasts bake whole, with thick spinach-cheese filling visible through a pocket in each side. Cream cheese and Parmesan hold the filling together, but the spinach needs a thorough squeeze first: excess water can make it run out as the chicken bakes. Keep the openings angled slightly upward, then check doneness in the thickest chicken meat rather than the hot cheese. That matters more than following an exact bake time, especially if the breasts vary in thickness.
Ingredients for Spinach Stuffed Chicken Breasts
- 4 boneless, skinless chicken breasts, about 6–8 ounces each (1 1/2–2 pounds total; about 680–900g)
- 5 ounces frozen chopped spinach, thawed and squeezed very dry (140g before squeezing)
- 4 ounces cream cheese, softened (115g)
- 1/3 cup finely grated Parmesan (about 35g)
- 2 garlic cloves, minced
- 1 tablespoon olive oil
- 1 teaspoon paprika
- 3/4 teaspoon kosher salt, divided
- 1/4 teaspoon black pepper
For a little heat, add an optional pinch of crushed red pepper flakes to the filling.
How to Bake Spinach Stuffed Chicken Breasts
- Preheat and dry: Fully preheat the oven to 400°F (205°C). Squeeze the thawed spinach until very little liquid comes out. Pat the chicken dry.
- Mix the filling: Combine the spinach, cream cheese, Parmesan, garlic, and 1/4 teaspoon of the kosher salt. The mixture should be thick and scoopable.
- Cut the pockets: With a sharp small knife, cut a deep slit into the thick side of each breast. Stop before reaching the opposite edge or either end, leaving each breast connected rather than butterflied into a flat cutlet.
- Fill and season: Divide the filling evenly among the pockets, leaving some visible at each opening without packing it in tightly. Rub the chicken exteriors with the olive oil, then season with the paprika, remaining 1/2 teaspoon salt, and black pepper.
- Bake uncovered: Arrange the breasts in one layer in a 9-by-13-inch baking dish, with a little space between them and the pocket openings angled slightly upward. Do not add liquid or flip the chicken. Bake for about 25–30 minutes, starting to check the thickest chicken meat at around 23 minutes. The exterior should be lightly golden with reddish seasoning patches, and the chicken is done when the meat—not the filling—reaches 165°F (75°C). Thicker breasts may need longer.
- Rest and serve: Let the chicken rest for 5 minutes. Serve each breast whole with its filling visible.
How to Keep the Filling in the Pockets
Leave the far edge and ends of each slit intact so the breast supports the filling. An upward-facing opening helps limit spills while keeping the spinach center visible. Toothpicks are not usually needed for moderately filled pockets, though a little cheese may still escape.
Keep the Spinach Filling Thick
The 5 ounces of frozen spinach is measured before squeezing. Thaw it completely, then press out as much water as possible before mixing it with the cheeses. To use fresh spinach instead, wilt about 5 ounces, let it cool, and squeeze it dry; raw, wet leaves will loosen the filling as they cook.
Check Doneness in the Chicken, Not the Cheese
Insert an instant-read thermometer into the thickest part of the chicken, away from the pocket. Hot cheese can give a misleading reading while the surrounding meat is still undercooked. If the chicken is below 165°F after 30 minutes, keep baking and recheck the meat.
Serving Suggestions
Serve with rice pilaf, mashed potatoes, or a simple salad. For an unstuffed option, try these baked chicken breasts with paprika and garlic.
Storage and Gentle Reheating
Refrigerate cooked leftovers in an airtight container for up to 3 days. For oven reheating, add a splash of water or broth, cover with foil, and warm gently until heated through to help prevent the chicken from drying out.
To prepare ahead, stuff the raw breasts, cover, and refrigerate for up to one day before baking. Cook until the chicken reaches 165°F. Cooked leftovers can be frozen for up to 2 months and thawed overnight in the refrigerator, though the cream-cheese filling may change texture.
Nutrition
Approximate per stuffed chicken breast (1 of 4): 410 calories, 50g protein, 21g fat, and 4g carbohydrates. Approximate per 100g of cooked dish: 185 calories, 22g protein, 9g fat, and 2g carbohydrates. Values vary with breast size, moisture loss, and ingredient brands.
Equipment
- 9-by-13-inch baking dish
- Mixing bowl
- Sharp small knife
- Instant-read thermometer
Ingredients
For the Chicken
- 4 boneless, skinless chicken breasts, about 6–8 ounces each (1 1/2–2 pounds total; about 680–900 g)
- 1 tablespoon olive oil
- 1 teaspoon paprika
- 3/4 teaspoon kosher salt, divided
- 1/4 teaspoon black pepper
For the Filling
- 5 ounces frozen chopped spinach, thawed and squeezed very dry (140 g before squeezing)
- 4 ounces cream cheese, softened (115 g)
- 1/3 cup finely grated Parmesan (about 35 g)
- 2 garlic cloves, minced
- Optional pinch of crushed red pepper flakes
Instructions
- Preheat the oven to 400°F (205°C). Squeeze the thawed spinach until very little liquid comes out, then pat the chicken dry.
- Combine the spinach, cream cheese, Parmesan, garlic, and 1/4 teaspoon of the kosher salt in a bowl. Mix until thick and scoopable.
- Cut a deep slit into the thick side of each chicken breast, stopping before the opposite edge and both ends.
- Divide the filling among the pockets, leaving some visible at each opening without packing it in tightly.
- Rub the chicken with olive oil, then season with the paprika, remaining 1/2 teaspoon salt, and black pepper.
- Arrange the breasts in one layer in a 9-by-13-inch baking dish, leaving space between them and angling the pocket openings slightly upward. Bake uncovered without adding liquid or flipping.
- Start checking the thickest chicken meat at around 23 minutes. Bake for about 25–30 minutes, or longer as needed, until the meat—not the filling—reaches 165°F (75°C).
- Rest the chicken for 5 minutes, then serve each breast whole.
Tips
- Squeeze the thawed spinach very dry to keep the filling thick and prevent it from running out.
- Leave the far edge and ends of each pocket intact so the breast supports the filling.
- Angle the pocket openings upward to help limit spills.
- Check the temperature in the thickest chicken meat, away from the filling.
- Breast thickness varies, so use the temperature rather than the bake time alone to judge doneness.
Variations
- Fresh Spinach Filling: Wilt about 5 ounces of fresh spinach, let it cool, and squeeze it dry before mixing it into the filling.
- Spicy Spinach Filling: Add a pinch of crushed red pepper flakes to the filling.