Italian Melt Roasted Cauliflower Steaks - Sugar-Free Mom

Ingredients

• 12 ounces cauliflower (or 1 medium head, cut into 4 steaks )
• 1/4 cup extra virgin olive oil
• 1 tsp red wine vinegar
• 1 tsp Dijon mustard
• 1 clove minced garlic
• 1/4 tsp salt
• 1/4 tsp pepper
• 2 pieces roasted red peppers
• 4 slices prosciutto ((or salami or pepperoni))
• 8 green olives (pitted and chopped)
• 2 pieces pepperoncini (chopped)
• 2 tbsp fresh basil leaves (chopped)
• 8 slices provolone cheese
• 3/4 cup fresh arugula (loosely packed)