Brown ground beef until thoroughly cooked.
Stir in garlic, ginger, cumin, coriander, salt, ground red chili pepper, turmeric, and lemon juice. Cook, stirring often for amount 30 minutes or until the liquid has evaporated.
Stir in onion, green onion, and cilantro. Transfer to a bowl and let cool completely.
Fill a deep fryer with oil and heat to 350F
Combine flour with enough water in small bowl to make a paste with glue-like consistency.
Fold one wrapper to form a cone, overlapping tightly so no filling goes through the hole. Fill the pocket with a couple spoonfuls of the meat mixture. Brush the edges with the flour-paste, and fold over to seal and make a triangle. Repeat until all the filling is used up.
Deep fry the samosas a few at a time, turning once, for about 10 to 12 minutes until golden and crisp.