Onion, Arugula And Prosciutto Focaccia - cooking recipe

Ingredients

3 1/2 cups all-purpose flour
1 cup olive oil
1 tbsp salt
3 1/2 tsp active dry yeast, dissolved in 1 cup lukewarm water
3/4 cup sour cream
1/2 lb white onions, peeled and cut into thin rings
1/2 lb red onions, peeled and cut into thin rings
2 1/2 cups arugula
6 slices prosciutto

Preparation

Mix the flour, oil and salt. Add the yeast mixture and knead with the dough hook attachment of a mixer until smooth. Cover and allow to rest in a warm place for 45 mins.
Preheat the oven to 400\u00b0F. Grease and flour a 11 x 15 inch baking pan. Place the proofed dough in the pan and press into the edges to evenly cover the pan. Spread with sour cream then add the onions. Bake for 30-35 mins, until golden brown.
Remove from the oven, top with arugula and prosciutto then cut into 20 squares and serve immediately.