Open-Faced Tomato Sandwich with Spinach & Green Pepper Salad

Loaf of sourdough bread
2 tomatoes, sliced into 1/4-1/2 inch slices 
1/2 green bell pepper, thinly sliced
1 handful of spinach, washed
1/4 c Parmesan cheese 
3 tbsp olive oil
1 lemon, juiced 
1-2 tbsp butter 
Salt and pepper to taste 

1. Toast bread and spread with butter.
2. Place sliced tomato into single layer on top of bread.
3. Sprinkle tomatoes lightly with salt and pepper.
4. In a mixing bowl, combine washed spinach, Parmesan cheese, olive oil, lemon juice, and salt and pepper to taste.
5. Mix all ingredients together until baby Swiss chard is fully coated.
6. Place a layer of the salad on top of sliced tomatoes. Top with pepper slices.