My coworker brought a batch of these to every pool party. Only 4 ingredients for a rich, melty center that bursts with comforting flavor.

These low carb 4-ingredient spinach cheese bombs are the kind of thing that disappear fast at casual gatherings—especially pool parties and game nights. They bake up into little golden rounds, speckled with spinach, with a rich, melty cheese center that oozes out when you bite in. Recipes like this have roots in classic Midwestern cheese balls and hot spinach dips, but here we’ve stripped it down to just four ingredients and shaped it into tidy, poppable bites. They’re easy to mix in one bowl, bake on a sheet pan, and serve warm straight from the oven.

Serve these spinach cheese bombs hot or very warm so the centers stay gooey. I like them on a simple white plate with toothpicks for easy grabbing, alongside crisp raw vegetables or a light salad to balance the richness. They pair nicely with sparkling water, a light beer, or a dry white wine. For a fuller spread, set them next to grilled chicken or burgers at a pool party, or offer a small bowl of warm marinara or ranch for dipping without adding much extra fuss.

Servings: 18–22 cheese bombs

1 1/2 cups shredded low-moisture part-skim mozzarella cheese, firmly packed

Preheat your oven to 375°F (190°C). Line a baking sheet with parchment paper or a silicone baking mat to prevent sticking and make cleanup easier.

Prepare the spinach: Thaw the frozen chopped spinach completely, then squeeze it very firmly in your hands or in a clean kitchen towel to remove as much moisture as possible. The spinach should feel almost dry; excess moisture will keep the bombs from holding their shape.

In a medium mixing bowl, combine the softened cream cheese and shredded mozzarella. Use a sturdy spoon or spatula to mash and stir until the mixture is mostly smooth and evenly combined. A few small pieces of cream cheese are fine; they’ll melt in the oven.

Add the well-squeezed chopped spinach and the grated Parmesan cheese to the bowl. Stir and fold everything together until the spinach is evenly distributed and no pockets of cheese or spinach remain. The mixture will be thick and slightly sticky but should hold together when pressed.

If the mixture feels too soft to roll, place the bowl in the refrigerator for 10–15 minutes to firm up slightly. This makes shaping easier and helps the bombs keep a round shape as they bake.

Once the mixture is firm enough to handle, scoop out small portions, about 1 tablespoon each. Roll each portion quickly between your palms to form a smooth ball, then place it on the prepared baking sheet. Leave about 1 inch of space between each ball; they will puff slightly and some cheese may ooze as they bake.

Double-check that the bombs are tightly formed with no obvious cracks. Gently pinch or smooth any openings so the cheese is mostly enclosed; this helps keep the centers rich and melty rather than leaking too much onto the pan.

Bake in the preheated oven for 12–16 minutes, or until the cheese bombs are puffed, the tops are bubbly, and the exteriors are a deep golden brown in spots. A little melted cheese around the base is normal and adds a delicious crispy edge.

Remove the baking sheet from the oven and let the spinach cheese bombs rest on the pan for 5 minutes. This short rest helps the centers settle into a gooey, molten texture while the outside stays lightly crisp.

Transfer the bombs carefully to a serving plate using a thin spatula. Serve warm so the centers are still melty and rich. If needed, you can rewarm leftovers in a 325°F (165°C) oven for 5–8 minutes to restore the soft, gooey interior.

To vary the flavor while keeping the recipe simple, you can swap the cheeses: try half mozzarella and half pepper jack for a gentle kick, or use a sharper aged Parmesan or Asiago for a nuttier, more pronounced flavor. A pinch of garlic powder or onion powder can be added (technically a fifth ingredient, but a small one) if you want that classic spinach dip profile. For a slightly firmer texture and easier snacking by the pool, bake them an extra 2–3 minutes until the outside is more deeply browned and the bottoms are crisp. If you’re cooking for different diets, note that these are naturally low carb and gluten free as written, but always check cheese labels—some pre-shredded cheeses contain starch-based anti-caking agents. Food safety tips: be sure to thaw and squeeze the spinach thoroughly to avoid excess moisture that can lead to uneven cooking; keep dairy products refrigerated until you’re ready to mix, and don’t leave the finished cheese bombs out at room temperature for more than 2 hours (or 1 hour if it’s very hot outdoors). For make-ahead prep, you can roll the unbaked balls, freeze them in a single layer, then transfer to a freezer bag; bake from frozen at 375°F (190°C), adding a few extra minutes, until hot and golden with a melty center.