Singles Sliders

Ingredients

• 24  baby spinach leaves 
• 2 Tbsp heinz balsamic vinegar 
• 2 tsp olive oil extra virgin 
• 4  singles halved kraft
• 1 lb ground beef lean
• 2 Tbsp juice of lemon fresh
• 1 Tbsp oregano leaves dried
• 1 large onion red cut into 1/2-inch-thick slices
• 8  slider buns split
• 1  tomatoes cut into 1/2-inch-thick slices

Equipment

• bowl
• grill

Directions

1. Heat grill to medium-high heat.
2. Brush onions and tomatoes with oil. Grill 2 min., turning tomatoes after 1 min.
3. Remove tomatoes from grill. Grill onions 6 min., turning after 3 min. Cool.
4. Meanwhile, mix meat and oregano; shape into 8 (1/2-inch-thick) patties. Grill 3 to 5 min. on each side or until done (160F), topping with Singles pieces and adding buns to the grill to toast for the last 2 min.
5. Chop onions and tomatoes; place in medium bowl.
6. Add vinegar and lemon juice; mix lightly. Spoon onto bottom halves of buns; cover with spinach, burgers and tops of buns.