For the chicken: In a large bowl, toss the chicken with olive oil, paprika, oregano, zest and lemon juice, salt and pepper. Set your grill pan or skillet to medium-high heat. Grill the chicken until lightly charred and cooked through, turning halfway through cooking, about 10 minutes.
For the vinaigrette: Combine all the ingredients in a glass jar and whisk until smooth.
To assemble the salad: In a large salad bowl, combine the greens, strawberries, avocado, cucumber, chicken, basil leaves and feta cheese. Toss well with thevinaigrette. Enjoy!