Greek Chicken Kebabs with Homemade Tzatziki Sauce

I have really been missing one of my favorite restaurants in Katy where we get the most delicious kebabs so this recipe really caught my eye and I couldn't wait to try it. The homemade Tzatziki sauce was easy to make and so delicious. Since we don't have a grill right now I baked ours in the oven (and also, baked the veggies about 5 minutes extra on their own before adding them to the skewers with the chicken for the rest of the cook time). The marinade for the meat was amazing as well and I have been enjoying the leftovers immensely! Thanks Mel's Kitchen Cafe for the recipe!

Ingredients:
Tzatziki Sauce:
2 cups plain Greek yogurt
1 English cucumber, shredded
1 clove garlic, pressed through a garlic press (or finely minced)
1 teaspoon red wine vinegar
Salt and pepper
Squeeze of fresh lemon juice
Extra virgin olive oil

Marinade:
4 cloves garlic, finely minced
2 tablespoons fresh lemon juice (from about 1 large lemon)
1 tablespoon red wine vinegar
2 tablespoons olive oil
2 tablespoons plain yogurt
1 teaspoon dried oregano
1/2 teaspoon dried basil
1/2 teaspoon dried thyme
1/2 teaspoon dried coriander
1/2 teaspoon salt
1/4 teaspoon pepper

Chicken and Vegetables:
2 pounds boneless, skinless chicken breasts, cut into 1-inch pieces
3 small to medium zucchini, sliced 1/2-inch thick
1-2 red peppers, cut into squares
1 red onion, cut into squares
(I also used a can of artichoke hearts)

Directions:
For the tzatziki sauce, wrap the shredded cucumber in a kitchen towel and squeeze to remove as much water as possible. Mix together the yogurt, shredded cucumber, garlic, red wine vinegar, salt and pepper to taste, and lemon juice. Drizzle lightly with olive oil. Refrigerate for at least 30 minutes before serving to allow the flavors to blend.
For the marinade, in a liquid measuring cup or small bowl, whisk together all the marinade ingredients.
Place the chicken in a resealable gallon-size ziploc bag (or in a shallow dish) and pour in the marinade. Seal the bag (or cover the dish) and let marinade for 1-2 hours.
If using wooden skewers, soak them for 15-20 minutes prior to assembling.
Thread the chicken, zucchini, peppers and onion onto skewers. Give the kebabs a little sprinkle with salt and pepper on both sides.
Grill over medium to medium-high heat until cooked through, about 2-3 minutes per side.
Serve immediately with tzatziki sauce for dipping.