Steak & Onion Wrap with Tzatziki Dip

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While working on another dish using Stonyfield Farm Organic Greek Yogurt, I came up with this a delicious steak roast with sauted onions and Tzatziki Dip. This one is wonderful!

Dip:
2 containers(5.3oz.each) Stonyfield Farm Organic Greek Yogurt
1 med. cucumber, peeled, seeds removed, grated
3 garlic cloves, minced
1 Tsp. olive oil
1/2 tsp. fresh dill, chopped

Mix all ingredients together. Place in a covered container and refrigerate for at least 1 hr. before using.

For wraps I use flour tortillas, coo