Here's a very simple lighting set up using just the light from outside. It's very cloudy outside so I knew the light would be soft. There's three light sources here coming from one huge outside soft light. My key light is from camera right - the back door's open! couldn't be simpler. The second light is coming from the blinds. I adjusted the blinds pointing down so the light would hit the top of my little set. The third light is a home made reflector-you can see it sitting on the chair. It's just a piece of cardboard with silvery reflective material glued to the other side. It's kicking back a little light on the front of my set pieces. You can use tin foil, a shiny pan lid...anything that reflects light. A mirror might be too strong but you just back it off until it looks good.
The camera was set to ISO 200 and cloudy. The f stop is 1.4 to achieve a very shallow depth of field. You can see that the cup and front part of the brioche is in focus but from mid frame it goes soft. Shutter speed is 1/500.
Obviously you can elaborate to your heart's content with the still life objects but you don't really need any professional lights to accomplish this. Try it...practice...have fun!!Yes, I did drink the espresso and eat that brioche.