Fermented Radish Spread (Shmaltz)

Name: Fermented Radish Spread (Shmaltz)
Prep time: 30 min
Total time: 30 min
Cuisine: Israeli
Ingredients: 1.5 lbs grated winter radishes (roughly 4 cups of grated radish ); 2.5 Tablespoons sea salt or kosher salt ((34 grams)); 1 Tablespoon minced garlic; 2 oz chopped yellow sweet onion (1/4 cup); ¾ cup rendered poultry lard (or a light flavored oil like sunflower especially Smudes))