Based on the image and common gyro recipes, here’s a list of ingredients you’ll likely need to make the complete dish as pictured:

For the Slow Cooker Beef:

  • Beef chuck roast: 3-4 lbs (as stated in the image)
  • Olive oil: 2 Tbsp (as stated in the image)
  • Red onion: 1, sliced (as stated in the image)
  • Garlic: Minced (typically 3-4 cloves)
  • Lemon juice: Freshly squeezed is best (from 1-2 lemons)
  • Dried oregano: A common and key spice for gyros (around 1-2 tsp)
  • Salt: To taste
  • Black pepper: To taste
  • (Some recipes might also include a little beef broth or other spices like cumin or marjoram for the beef)

For the Tzatziki Sauce (the white sauce):

  • Plain Greek yogurt: The base of the sauce
  • Cucumber: Grated or finely diced, with excess moisture squeezed out
  • Garlic: Minced (1-2 cloves)
  • Lemon juice: To taste
  • Fresh dill or mint: Chopped (or dried)
  • Olive oil: A small amount for richness
  • Salt & pepper: To taste

For Assembling the Gyros:

  • Pita bread: Greek-style flatbreads
  • Tomatoes: Diced or sliced
  • Cucumbers: Sliced or diced
  • Red onion: Thinly sliced (additional to what’s cooked with the beef, for fresh topping)
  • Lettuce: Shredded (optional, but common)
  • Fresh parsley or other herbs: For garnish (as seen in the image)
  • Lemon wedges: For serving (as seen in the image)

Visible in your image specifically:

  • Shredded cooked beef
  • Pita bread
  • Tzatziki sauce (the white sauce, likely with herbs mixed in or sprinkled on top)
  • Sliced red onions
  • Diced tomatoes
  • Diced cucumbers
  • Chopped fresh parsley (or a similar green herb) as garnish on the sauce and possibly mixed with the salad ingredients
  • A bed of shredded lettuce underneath the beef
  • A lemon wedge on the side

This list should cover all the components to make delicious beef gyros like the ones in your picture! Enjoy!