- Ground beef (1 pound): Choose 80/20 blend for optimal flavor and moisture; beef-pork combination creates even richer taste
- Fresh baby spinach (2 cups, finely chopped): Select vibrant, tender leaves; avoid wilted or yellowing spinach for best flavor
- Fresh garlic (4 cloves, minced): Essential for aromatic depth; fresh garlic provides superior flavor to pre-minced alternatives
- Fine breadcrumbs (1/2 cup): Keep meatballs tender while binding ingredients; panko or fresh breadcrumbs both work excellently
- Freshly grated Parmesan (1/2 cup): Adds salty umami depth; grate from block for superior flavor and melting properties
- Large fresh egg (1 whole): Acts as perfect binder for easy shaping; room temperature egg incorporates more easily
- Italian seasoning (1 teaspoon): Blend of oregano, basil, and marjoram ties herbs together beautifully
- Mozzarella block (8 ounces): Cut into 1/2-inch cubes for stuffing; block mozzarella melts better than pre-shredded
- Extra virgin olive oil (2 tablespoons): For browning; choose mild variety that won’t overpower delicate flavors
- Sea salt and freshly ground black pepper: Essential for proper seasoning throughout all components
Perfect Preparation Method
- Optimal Spinach Prep
- Wash fresh spinach thoroughly and pat completely dry before chopping finely to prevent excess moisture that could make meatballs soggy. Remove any thick stems for better texture and more even distribution throughout the mixture.
- Expert Mixing Technique
- Combine ground beef, chopped spinach, minced garlic, breadcrumbs, grated Parmesan, egg, Italian seasoning, salt, and pepper in large bowl, mixing gently with hands until just combined. Overmixing develops gluten and creates tough meatballs.
- Strategic Cheese Preparation
- Cut mozzarella block into uniform 1/2-inch cubes, ensuring consistent size for even melting and proper stuffing in each meatball. Pat cheese cubes dry to prevent slipping during assembly process.
- Professional Stuffing Method
- Scoop 1-2 tablespoons meat mixture and flatten in palm, place mozzarella cube in center, then carefully wrap meat around cheese, sealing edges completely. Roll gently between palms to create smooth, round shape without gaps.
- Optimal Cooking Process
- Heat olive oil in large skillet over medium heat until shimmering, then add meatballs in single layer without overcrowding. Cook 4-5 minutes per side, turning carefully to develop golden-brown crust on all surfaces while ensuring cheese stays contained.
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