Instant Pot Beef Gyros

Ingredients

• 1 1/2 lbs beef chuck roast or beef cross rib roast, sliced into thin quarter inch strips
• 1 large onion, sliced very thinly
• 2 Tbsp olive oil
• 1 tsp garlic powder
• 1 tsp oregano
• 1/2 tsp salt
• 1/4 tsp pepper
• 2 Tbsp fresh lemon juice
• 1/3 cup water
• Salt
• pepper
• Soft pita bread
• Lettuce
• Tomatoes
• 1 cup plain Greek yogurt
• 1 cup diced or shredded cucumber, seeded
• 1 Tbsp dried dill or 2 Tbsp fresh dill
• 1/4 tsp salt
• 1 garlic clove, minced