Beef Stroganoff

WHAT YOU'LL NEED

• 3 Tbsp. olive oil, divided
• 1 Knorr® Beef flavor Bouillon Cube(s), crumbled
• 1 -lb. lean beef tenderloin
• 1 medium red onion
• 1 cup sliced mushrooms
• 1 Tbsp. paprika
• 2 cups water
• 1 package Knorr® Pasta Sides™ - Butter flavor
• 2 tsp. lemon juice
• 1 cup sour cream
• 2 Tbsp. chopped fresh parsley leaves