Supper with Stella

Ingredients

• 1 1/2 lb. beef (use an inexpensive cut like flank, skirt, chuck, London broil, etc.)
• 1/2 red onion, sliced
• 3 cloves garlic, grated
• 1 lemon, juiced
• 1 Tbsp. Greek seasoning
• salt & pepper, to taste
• pitas
• 1 cup Greek yogurt
• 2 Tbsp. olive oil
• 1/2 English cucumber, grated
• 1 clove garlic, grated
• tomatoes, sliced
• cucumbers, sliced
• lettuce, shredded