Step 1

Stir diced tomatoes and tomato paste together in the bottom of a large slow cooker.

Step 2

Mix smoked paprika, Italian seasoning, 1 teaspoon salt and crushed red pepper in a small dish.

Step 3

Lay chicken on a sheet of parchment. Sprinkle all over the chicken turning pieces to coat completely.

Step 4

Arrange chicken in the sauce in the slow cooker. Pour any extra spices from the parchment on top.

Step 5

Layer olives, onion, bell pepper and mushrooms on top.

Step 6

Cover and set slow cooker to low for 6 hours.

Step 7

When timer goes off, carefully pull chicken out of the cooker, keeping thighs intact if possible.

Step 8

Stir rosemary and the remaining 1 teaspoon salt into the vegetable mixture. Serve the vegetable mixture and sauce with the chicken.