Preheat oven to 400℉.

In a large skillet, saute onion in oil for a couple of minutes,  add veggie sausage. When browned transfer to large baking pan/casserole.

Add artichoke bottoms to hot skillet and allow to brown. Prepare tomatoes, by crushing them with your hands, add saffron and paprika to the tomatoes. Pour rice into skillet and stir for a minute, add tomatoes, salt and pepper to taste. Mix well. 

Pour everything from the skillet into the large baking dish on top of the sausage.  Add water, cover with foil and place in oven.  Bake for 45 minutes or until rice is cooked and all liquid is absorbed.