Meatballs with Olives and Walnuts, a recipe from Gourmetpedia, for food lovers

Ingredients

• - 400 g (14 oz.) ground sirloin
• - 50 g (2 oz.) pitted green olives
• - 50 g (2 oz.) walnut halves
• - 1 egg
• - 1 onion
• - 2 cloves garlic
• - 20 g (2 Tbsp.) flour
• - 4 Tbsp. olive oil
• - a pinch of quatre-épices (four spice powder)
• - salt and pepper