Mix the soy sauce and Italian dressing, pour over chicken and refrigerate.
Let marinate for several hours or overnight.
Cook chicken in olive oil till done and browned.
Remove chicken from pan.
Add peppers, onion and garlic to pan and cook for several minutes.
Add stewed tomatoes to other veggies.
Return chicken to pan.
Season with salt and pepper.
For the dressing mix:
Mix all ingredients together in a small bowl and store in a tightly sealed container.
For the dressing:
Whisk all ingredients together
Notes
You can even pour the marinade over frozen chicken tenders and put them back in the freezer if you really want to prep ahead. Or, you can add it to the chicken at the last minute and the recipe still works!