Grilled Steak and Potato Tostadas with Chimichurri Sauce Recipe - Eat Wisconsin Potatoes

Ingredients

• 8 corn tortillas
• nonstick cooking spray
• 10 oz beef tenderloin
• 6 round white Wisconsin potatoes (medium-sized)
• 2 tsp Cumin
• 1 Small red onion (thinly sliced)
• 4 Roma tomatoes (thinly sliced)
• 1 cup fresh baby spinach (shredded)
• 1/2 cup Fresh parsley (finely chopped)
• 3 Tbsp fresh oregano (finely chopped)
• 4 Garlic cloves (finely minced)
• 4 Green onions (finely minced)
• 1/2 cup olive oil
• 3 Tbsp Red wine vinegar
• 2 Tbsp fresh lemon juice
• salt & pepper (to taste)