01 - Combine flour, yeast, sugar, and salt in a large mixing bowl.
02 - Add warm water and olive oil to dry ingredients. Mix until a shaggy dough forms.
03 - Knead on a floured surface for 8 to 10 minutes until smooth and elastic.
04 - Place dough in a greased bowl, cover, and let rise in a warm place for 1 hour until doubled in volume.
05 - Mix sun-dried tomatoes, olives, feta, basil, parsley, garlic, melted butter, oregano, and black pepper in a bowl.
06 - Punch down risen dough and roll into a 12x16 inch rectangle on a floured surface.
07 - Spread Mediterranean filling evenly over the rolled dough.
08 - Cut dough vertically into 4 equal strips, stack strips on top of each other, then cut the stack into 6 equal pieces.
09 - Place stacks upright in a greased 9x5 inch loaf pan.
10 - Cover loosely and let rise for 30 minutes. Preheat oven to 350°F during this time.
11 - Brush top with olive oil and sprinkle with sesame seeds if desired.
12 - Bake for 30 to 35 minutes until golden brown and cooked through. Tent with foil if browning too quickly.
13 - Cool in pan for 10 minutes, then transfer to wire rack. Serve warm or at room temperature.